Question

if (a/b)=(5/2)^-3×(8/15)^-3 then (a/b)^-2 is​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

a/b=(5/2)^-3 X (8/15)^-3 = (4/3)^-3

∴ (a/b)^-2 = (4/3)^-2 X -3

                 = (4/3)^6

                 = (3/4)^-6

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