Math, asked by ekam1706, 16 days ago

factorise the following:-

1. 16c⁴ - 1/81
2. x² - y² - 2y - 1
3. 9(a-b)² - 4(2a+b)²

Answers

Answered by amanjangid777

0

Answer:

the answer of the first question

(4c²+1/9)(4c-1/9)(4c+1/9)

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