Math, asked by adityasharma1492, 3 months ago

2
(2) Factorise 42² - 9b²

Answers

Answered by nikitapatel6122003

0

Answer:

42 square - 9b square

A square -. B square = (a+b) (a-b)

(42+9b) (42-9b)

51b × 33b= 1683 ans_

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