Ex 2.5, 3 - Factorise following using appropriate identities - Identity I - IV

 

  1. Chapter 2 Class 9 Polynomials (Term 2)
  2. Serial order wise

Transcript

Ex 2.5, 3 Factorise the following using appropriate identities: (i) 9x2 + 6xy + y2 9x2 + 6xy + y2 = 32 x2 + 6xy +(y)2 = (3x)2 + 6xy +(y)2 = (3x)2 + 2 (3x) (y) +(y)2 Using Identity (a + b)2 = a2 + b2 + 2ab Where a = 3x , b = y = (3x + y)2 = (3x + y) (3x + y)

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