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Question
Solve for x : `(81)^(3/4) - (1/32)^(-2/5) + x(1/2)^(-1).2^0 = 27`
Sum
Solution
`(81)^(3/4) - (1/32)^(-2/5) + x(1/2)^(-1).2^0 = 27`
⇒ `3^(4 xx 3/4) - (2^- 5)^(-2/5) + x(2) = 27`
⇒ `3^3 - 2^2 + 2x = 27`
⇒ 2x + 27 - 4 = 27
⇒ 2x = 4
⇒ x = 2
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Solving Exponential Equations
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