HOW TO DO THIS QUESTION
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Hello
First (81/16) ^ -3/4 can be written as (16/81)^3/4
so it is [(2^ 4)/(3^4)] ^ 3/4
which becomes 2^3/3^3 -----> 8/27
Similarly (9/25) ^3/2 ----> (3^2 /5^2)^ 3/2
So it is 3^3/ 5^3 -----> 27/125
Similarly (5/2)^-3 will be (2/5)^3 ------> 8/125
- Now, Solving it we get
- 8/27 × [ 27/125 × 125/8]
- So it is 8/27 × 27/8
- which is 1
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