We have,= [9 – (a2 – 2ab + b)2]We can also write the expression as:= [(3)2 – (a – b)2]Now,Using identity: a2 – b2 = (a – b)(a + b)Hence,The given expression can be factorized as:

Q. 175.0( 2 Votes )

Factorize:
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Class 9th RS Aggarwal & V Aggarwal - Mathematics 2. Polynomials

Answer :

We have,

= [9 – (a² – 2ab + b)²]

We can also write the expression as:

= [(3)² – (a – b)²]

Now,

Using identity: a² – b² = (a – b)(a + b)

Hence,

The given expression can be factorized as:

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