Ex 2.4, 2 (ii) - 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, 2 Evaluate the following products without multiplying directly: (ii) 95 96 95 96 = (100 5) (100 4) Using Identity (x + a) (x + b) = x2 + (a + b)x + ab, where x = 100 , a = 5, b = 4 , = (100)2 + ( 5 4) 100 + ( 5) ( 4) = 10000 + ( 9)(100) + 20 = 10000 900 + 20 = 9120
