Math, asked by aishaaisha98827, 5 months ago

Q.15 Factorise :-4a²-1 =

Answers

Answered by guptaamitx

0

Answer:

(2a+1)(2a-1)

Step-by-step explanation:

4a²-1= (2a)²-(1)²

[using identity a²-b²= (a+b)(a-b)]

= (2a+1)(2a-1)

Hope It Helps

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