solve: 4 (to the power x-2) - 2(to the power x+1) = 0
Madhav223:
2 (to the power 2x-2)-2( to the power x-1) step 2 : 2x-2 = x+1 step 3: 2x-x = 1+2 step 4: x=3
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4^(x-2) -2^(x+1) =0
so, 2^(2x-4)=2^(x+1)
As bases are same so, the powers are also same.
2x-4=x+1
so, x=5
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