1.

If a²-1 upon a²= 5 evaluate a⁴+1 upon a⁴

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Answer:

hlw mate

Step-by-step EXPLANATION:

a²-1/a²)=5

whole SQUARE both SIDE

(a²-1/a²)²=5²

a⁴+1/a⁴-2×a²×1/a²=25

a⁴+1/a⁴=27

hope its help u...



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