Math, asked by monisha18bihar, 9 months ago

9a²- (a²-4)² factorise it please do fast, it's urgent

Answers

Answered by jyotirmoyeeghosh

0

Answer:

9a2- [(a2)^2+(4)^2-2×a^2×4]

9a2-[a^4+16-8a^2]

9a2-a^4+16-8a2

a2-a4+16

ans....

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