Question

please tell me the factors which is in the photo please tell fast
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Answer 1

Answer:

quadratic polynomial. ......................

Answer 2

81a²-121b²

=(9a)²-(11b)² [using a²-b²=(a+b)(a-b)]

=(9a+11b) (9a-11b)

Factors of 81a²-121b² are (9a+11b) and (9a-11b).

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