Question

if 4^x+1=2^2+x then find the value of x

Answer 1

Hi there!!

4^x+1 = 2^2+x

 
(2)^2(x+1) = 2^x+2

 
On equating the powers, as the bases are same....

 
2x+2 = 2+x

 
x = 0

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Answer 2

4^x+1=2^2+x
2^2*(x+1) =2^2+x. [since 4=2^2]
As bases are equal,exponents must be equal.
2x+2=x+2
2x=x
x=0.
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