Question

if a is not equal to 0 and a -1/a = 4; find:
(I) a^2 + 1/a^2
(ll) a^4 + 1/a^4
(lll) a^3 - 1/a^3​

Answer 1

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Answer 2

Answer:

I am not getting the answer

Step-by-step explanation:

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