Question

if a/b=(-7/9)^8÷(-7/9)^6, find the value of (a/b)^2​

Answer 1

Step-by-step explanation:

(-7/9)^2 × (9/-7)^6

-7^8-6 / 9^6-8

-7^4/9^4

2401/6561

ans.

Answer 2

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