Math, asked by paulsaumya08, 6 months ago

factorize
81 x2 - 121y2
pls help

Answers

Answered by MagicalBeast

1

Answer:

(9x+11y)(9x-11y)

Step-by-step explanation:

81x² -121y²

=> (9x)² - (11y)²

using identity a²-b² = (a+b)(a-b)

=> (9x)² - (11y)² = (9x+11y)(9x-11y)

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