Ex 2.4, 8 (v) - Chapter 2 Class 9 Polynomials
Last updated at Dec. 16, 2024 by Teachoo
Ex 2.4
Ex 2.4, 1 (i)
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Chapter 2 Class 9 Polynomials
Serial order wise
- Ex 2.1
- Ex 2.2
- Ex 2.3
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Ex 2.4
- Examples
- Remainder Theorem
Transcript
Ex 2.4, 8 Factorise each of the following: (v)27p3 – 1/216 – 9/2 p2 + 1/4 p 27p3 – 1/216 – 9/2 p2 + 1/4 p = (3p)3 – (1/6)^3 – 9/2 p2 + 1/4 p = (3p)3 – (1/6)^3 – 3(3p) (1/6)(3𝑝 −1/6) Using (x – y)3 = x3 – y3 – 3xy(x – y) Putting x = 3p, y = 1/6 = (3𝑝 − 1/6)3 = (3𝑝−1/6) (3𝑝−1/6) (3𝑝−1/6)
