Polynomials,
NCERT Solutions for Class 9 Maths Chapter 2
Important NCERT Questions
Polynomials
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 2.5
Page No:48
Questions No:2 part:3
Evaluate the following products without multiplying directly: 95 × 96
Share
………..…x………..
(ii) 95 x 96
(100 – 5)(100 – 4)
= (100)² + (-5 – 4)100 +(-5) x (-4) [∵ (x + a)(x + b) = x² + (a + b)x + ab ]
= 10000 – 900 + 20 = 9120