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Solve This Problem & Be Hired as Consultant - Jobs/Vacancies - Nairaland

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 Solve This Problem & Be Hired as Consultant by Neyozak: 2:35pm On Oct 06, 2015 2raised to power 2x = 8x 1 Like Re: Solve This Problem & Be Hired as Consultant by Neyozak: 2:43pm On Oct 06, 2015 pls step by steps solution Re: Solve This Problem & Be Hired as Consultant by Nobody: 3:09pm On Oct 06, 2015 are you saying (2^2x) =8x Re: Solve This Problem & Be Hired as Consultant by chipretty48(f): 3:22pm On Oct 06, 2015 2^2x=8 2^2x=2x2x2 2^2x=2^3 when u cancel both 2 in the bracket, you have: 2x=3 divide both sides by 2 2x/2=3/2 x=3/2 5 Likes 1 Share Re: Solve This Problem & Be Hired as Consultant by Bhayomi(m): 3:37pm On Oct 06, 2015 chipretty48:2^2x=8 2^2x=2x2x2 2^2x=2^3 when u cancel both 2 in the bracket, you have: 2x=3 divide both sides by 2 2x/2=3/2 x=3/2 You miss it, sorry Re: Solve This Problem & Be Hired as Consultant by Nobody: 3:37pm On Oct 06, 2015 chipretty48:2^2x=8 2^2x=2x2x2 2^2x=2^3 when u cancel both 2 in the bracket, you have: 2x=3 divide both sides by 2 2x/2=3/2 x=3/2 it is 8x not 8 2 Likes Re: Solve This Problem & Be Hired as Consultant by Nobody: 3:45pm On Oct 06, 2015 . . //ans.ComingSoon = true; //wait++;**modified***since 2^2x = 8xlet x = 2.2^(2*2) = 8*2.2 ^ 4 = 16. ;which is true.simple as abc. 3 Likes Re: Solve This Problem & Be Hired as Consultant by clementnoble22(m): 3:50pm On Oct 06, 2015 Neyozak:2raised to power 2x = 8xGuy recheck ur question... I think this question is wrong. 2^2x=8x ---> Wrong2^2x=8---> RightSolution2^2x=2^32x=3x= 3/2 3 Likes Re: Solve This Problem & Be Hired as Consultant by Bhayomi(m): 3:53pm On Oct 06, 2015 crotonite:. . //ans.ComingSoon = true; //wait++; **modified*** since 2^2x = 8x let x = 2. 2^(2*2) = 8*2. 2 ^ 4 = 16. ;which is true. simple as abc. No, that's not how to do it. 1 Like Re: Solve This Problem & Be Hired as Consultant by segedy: 3:56pm On Oct 06, 2015 2x = 8x(2^3)x = 8xThus,(2*2*2)x = 8x solvedRead the question again...I may be wrong!But you gave a wrong question if what I'm thinking now is correct...it should become a polynomial.. but there's no way that's gonna run!Or it could be2^2x = 8x;2^2x = (2^3)x:(2^2x)/(2^3) = x;2^(2x - 3) = x;...can't go futher o, idea is needed 1 Like Re: Solve This Problem & Be Hired as Consultant by Nobody: 3:59pm On Oct 06, 2015 segedy:2x = 8x (2^3)x = 8x Thus, (2*2*2)x = 8x solved Re: Solve This Problem & Be Hired as Consultant by NOBODYY: 4:00pm On Oct 06, 2015 . Re: Solve This Problem & Be Hired as Consultant by zenith4biz(m): 4:11pm On Oct 06, 2015 2^2x=8x 2*2*2x=8x 8x=8x Re: Solve This Problem & Be Hired as Consultant by flossy007: 4:11pm On Oct 06, 2015 2^ 2x = 8xLog100 ^2x = 8x ( log to base 10)100^2x = 10^8x(10^2) ^ 2x = 10^8x(2x)^2 = 8x4x^2 = 8xX^2 = 2xX = 2Hope I got it 2 Likes Re: Solve This Problem & Be Hired as Consultant by ayindepremier: 4:14pm On Oct 06, 2015 see d 2, see d x and see d 8 now. they are mathematical expressions and my statement is "lazical" expression.zooming... Re: Solve This Problem & Be Hired as Consultant by engrrichie92(m): 4:16pm On Oct 06, 2015 2^2x = 8xIntroducing log to both sideslog2^2x = log8xlog2^2x = log 8 + logx2xlog2 = log 8 + logxNa so i hang o...im coming back with the solution, gimme ten mins 2 Likes Re: Solve This Problem & Be Hired as Consultant by Neyozak: 4:17pm On Oct 06, 2015 Neyozak:2raised to power 2x = 8xGurus in the house, the question is correct. Sure d solution is 2. But convincing steps to the solution is what is required. Mathematician goodluck. Re: Solve This Problem & Be Hired as Consultant by afeezet(m): 4:20pm On Oct 06, 2015 Re: Solve This Problem & Be Hired as Consultant by flossy007: 4:21pm On Oct 06, 2015 Check the solution I posted some mins ago.Neyozak:Gurus in the house, the question is correct. Sure d solution is 2. But convincing steps to the solution is what is required. Mathematician goodluck. Re: Solve This Problem & Be Hired as Consultant by afeezet(m): 4:21pm On Oct 06, 2015 U need the workings try to confirm the first one Re: Solve This Problem & Be Hired as Consultant by Neyozak: 4:21pm On Oct 06, 2015 flossy007:2^ 2x = 8x Log100 ^2x = 8x ( log to base 10) 100^2x = 10^8x (10^2) ^ 2x = 10^8x (2x)^2 = 8x 4x^2 = 8x X^2 = 2x X = 2 Hope I got it U tried but Ur was not too convincing! 2 Likes Re: Solve This Problem & Be Hired as Consultant by Nobody: 4:22pm On Oct 06, 2015 nah Re: Solve This Problem & Be Hired as Consultant by dejt4u(m): 4:22pm On Oct 06, 2015 Neyozak:2raised to power 2x = 8x2^2x=8x, 2^2x=2^3(x), (2^2x) / (2^3) = x, 2^(2x-3)=x, 2^(2x-3)/4^(2x-3)=x/4^(2x-3), (1/2)^(2x-3)=x*(1/4)^(2x-3), (0.5)^(2x-3)=x*(0.25)^(2x-3), (1-0.5)^(2x-3)=x*(1-0.75)^(2x-3), by binomial approx.1-(2x-3)*0.5...=x*[1-(2x-3)*0.75+...]re-arrangin gives;1-x+3/2=x-3x/4*(2x-3) = 4-4x+6=4x-6x^2+9xor6x^2-17x+6=0, x=2.4 or - 0.42Reference to laplacian of nairaland maths clinic Re: Solve This Problem & Be Hired as Consultant by Alvanify(m): 4:27pm On Oct 06, 2015 2x^2=8xsoln divide thru by x2x^2/x=8x/xtherefore, 2x=8x=4ans 1 Like Re: Solve This Problem & Be Hired as Consultant by flossy007: 4:27pm On Oct 06, 2015 Haha. Not convincing? I'm pretty sure that's the solution to that question. But i'll let others have a go at it.Neyozak: U tried but Ur was not too convincing! Re: Solve This Problem & Be Hired as Consultant by Softhands(m): 4:33pm On Oct 06, 2015 2^2x =8x.. take the equation and make it equal to zero 2^2x-8x=0 introduce differentiation, dy/da ( 2^2x-8x) 4x^(2x-1) - 8 =0 4x^(2x-1)=8 2 X 2^ (2x-1) = 2^3 2x-1=3 2x=3 +1; 2x=4, x=4/2= 2 final ans , x=2 Danke. Re: Solve This Problem & Be Hired as Consultant by Softhands(m): 4:38pm On Oct 06, 2015 2^2x =8x.. take the equation and make it equal to zero 2^2x-8x=0 introduce differentiation, . dy/da ( 2^2x-8x) . 4x^(2x-1) - 8 =0 . 4x^(2x-1)=8 . 2 X 2^ (2x-1) = 2^3 . 2x-1=3 . 2x=3 +1; 2x=4, . x=4/2= 2 . final ans , x=2 Danke. Re: Solve This Problem & Be Hired as Consultant by INCREDIBLEGUY: 4:40pm On Oct 06, 2015 2^ 2x = 8xLog100 ^2x = 8x ( 1*1=11+2+2 =22+1000000+10000000000 =2223556777777777777 Re: Solve This Problem & Be Hired as Consultant by Neyozak: 4:48pm On Oct 06, 2015 dejt4u: 2^2x=8x, 2^2x=2^3(x), (2^2x) / (2^3) = x, 2^(2x-3)=x, 2^(2x-3)/4^(2x-3)=x/4^(2x-3), (1/2)^(2x-3)=x*(1/4)^(2x-3), (0.5)^(2x-3)=x*(0.25)^(2x-3), (1-0.5)^(2x-3)=x*(1-0.75)^(2x-3), by binomial approx. 1-(2x-3)*0.5...= x*[1-(2x-3)*0.75+...] re-arrangin gives; 1-x+3/2=x-3x/4*(2x-3) = 4-4x+6=4x-6x^2+9x or 6x^2-17x+6=0, x=2.4 or - 0.42 Reference to laplacian of nairaland maths clinic Tried but no. Re: Solve This Problem & Be Hired as Consultant by Neyozak: 4:50pm On Oct 06, 2015 Softhands:2^2x =8x.. take the equation and make it equal to zero 2^2x-8x=0 introduce differentiation, . dy/da ( 2^2x-8x) . 4x^(2x-1) - 8 =0 . 4x^(2x-1)=8 . 2 X 2^ (2x-1) = 2^3 . 2x-1=3 . 2x=3 +1; 2x=4, . x=4/2= 2 . final ans , x=2 Danke. Tried but what function is y and a. No my tutor Re: Solve This Problem & Be Hired as Consultant by Softhands(m): 4:56pm On Oct 06, 2015 Neyozak: Tried but what function is y and a. No my tutorTwas a typo o jareh. but that's d best approach so far. at least professionally. Re: Solve This Problem & Be Hired as Consultant by Neyozak: 4:57pm On Oct 06, 2015 flossy007:2^ 2x = 8xLog100 ^2x = 8x ( log to base 10) step correct 100^2x = 10^8x step correct (10^2) ^ 2x = 10^8x step correct (2x)^2 = 8x step not correct ( here u are to equate powers to have 4x equals 8x)4x^2 = 8xX^2 = 2xX = 2Hope I got it But u tried sha! But not convincing. Idea my guy. 50% 4 u. 1 Like

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