Math, asked by palakprajapati12, 4 months ago

factorise (a⁴-8a²b²+16b⁴)-81

Answers

Answered by anmoldeep4422

2

Answer:

(a⁴-8a²b²+16b⁴)81

(a²-4b²)81. (a²-2ab+b²=(a-b)²)

((a-2b)×(a+2b))² -81

((a-2b)×(a+2b)-9)×(a-2b)×(a+2b)+9)

(a²-4b²-9)×((a-2b)×(a+2b)+9

(a²-4b²-9)×(a²-4b²-9)

solution= (a²-4b²-9)×(a²-4b²-9)

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