Math, asked by payal138, 1 year ago

2 to the power x+4 - 2 to the power x+2 =3

Value of x????

Answers

Answered by RiyuSharma
2
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Answered by abhaygoel71
2
Here is your answer

2^x+4 - 2^x+2= 3
2^x × 2^4 - 2^x × 2^2= 3. (a^m+n= a^m×a^n)

2^x( 2^4- 2^2)= 3
2^x(16-4)=3
2^x × 12= 3
2^x= 3/12
2^x = 1/4=(1/2)^2
2^x= 2^-2
so, x= -2


Hope it is useful

abhaygoel71: welcome
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