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Ex 2.1, 2 - Write the coefficients of x2 in each of the - Ex 2.1



  1. Chapter 2 Class 9 Polynomials
  2. Serial order wise
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Ex 2.1, 2 Write the coefficients ofΒ  π‘₯2 in each of the following: (i) 2 – π‘₯2 + π‘₯ 2 – π‘₯2 + π‘₯ = 2 –1Γ—π‘₯2 + π‘₯ πΆπ‘œπ‘’π‘“π‘“π‘–π‘π‘–π‘’π‘›π‘‘ π‘œπ‘“ π‘₯2 = βˆ’1 Ex 2.1, 2 Write the coefficients ofΒ  π‘₯2 in each of the following: (ii) 2 – π‘₯2 + π‘₯3 2 – π‘₯2 + π‘₯3 =2βˆ’1 Γ— (π‘₯2) + π‘₯ πΆπ‘œπ‘’π‘“π‘“π‘–π‘π‘–π‘’π‘›π‘‘ π‘œπ‘“ π‘₯2 = βˆ’1 Ex 2.1, 2 Write the coefficients ofΒ  π‘₯2 in each of the following: (iii) πœ‹/2 π‘₯2 + π‘₯ πœ‹/2 π‘₯2 + π‘₯ = πœ‹/2 Γ— π‘₯2 + π‘₯ Coefficient of π‘₯2 = πœ‹/2 Ex 2.1, 2 Write the coefficients ofΒ  x2 in each of the following: (iv) √2 π‘₯ – 1 There is no x2 So we will create π‘₯2 in above equation by adding 0 √2 π‘₯ – 1 = 0 + √2 π‘₯ – 1 = 0.π‘₯2 + √2 π‘₯ – 1 Zero is multiplied to π‘₯2 Coefficient of π‘₯2 = 0.

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