Question

If a is not equal to 0 then’ find: (1) a^2+ 1/a^2 (2) a^4+1/a^4 (3) a^3 - 1/a^3

Answer 1

Answer:

1=we have

a^2+ 1/a^2

a^2a^2+ 1×1/a^2

a^4+1/a^2

Step-by-step explanation:

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