Math, asked by rohit15797, 9 months ago

1 (a^4 - 8a²b² + 16b^4) -81​

Answers

Answered by gautamkumar118
3

Step-by-step explanation:

=[(a²)²-2×a²×4b²+(4b²)² - 81]

=[(a²-4b²)²-(9)²]

=(a²-4b²-9)(a²-4b²+9)

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