solve 3^(x-1) -2^x = 11
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3²(x - 1) - 2²x = 11
3.3(x - 1) - 2.2.x = 11
9x - 9 - 4x = 11
9x - 4x = 11 + 9
5x = 20
x = 20/5
x = 4
3.3(x - 1) - 2.2.x = 11
9x - 9 - 4x = 11
9x - 4x = 11 + 9
5x = 20
x = 20/5
x = 4
ranjeetmaths77:
Thanks
actually question is, x to the power (x-1))
sir
so please solve this on that way....
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