Math, asked by anishkagupta247, 10 months ago

expand it by using suitable identities:- (3а - 1.5) (3а + 1.5)

Answers

Answered by ajay8949

3

by using identity (a+b) (a-b) = a²-b²

(3а - 1.5) (3а + 1.5)

(3a)² - (1.5)²

9a² - 2.25

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