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Given that x = 2ᵅ and y = 4ⁿ, show clearly that log₂(x²y) = 3α + 2n
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This statement can not be proved, since it is .
To make sure that it is wrong, take a = 1, n = 1.
Then = = 4; y = = 4; = 4*4 = 16,
= = 4,
but 3a + 2n = 3*1 + 2*1 = 3 + 2 = 5 ---> .
So, this statement can not be proved - - - but it can be , instead.