1. Chapter 2 Class 9 Polynomials
  2. Serial order wise
  3. Ex 2.4
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Ex 2.4, 4 (v) - Chapter 2 Class 9 Polynomials

Last updated at Dec. 16, 2024 by Teachoo

Transcript

Ex 2.4, 4 Expand each of the following, using suitable identities: (v) (-2x + 5y 3z)2 (-2x + 5y 3z)2 = ( (-2x) + 5y + (-3z) )2 Using (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ac Where a = -2x , b = 5y, c = -3z = (-2x)2 + (5y)2 + (-3z)2 + 2(-2x) (5y) + 2 (5y) (-3z) + 2 (-3z) (-2x) = 4x2 + 25y2 + 9z2 20xy 30yz + 12xz
  1. Chapter 2 Class 9 Polynomials
  2. Serial order wise

    3. Ex 2.4

    Examples →
Examples →
Chapter 2 Class 9 Polynomials
Serial order wise

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo