CLASSIX MATHEMATICS ASSIGNMENT2 CHAPTER – 2 POLYNOMIALS SECTIONA 1 Write the degree of the given polynomials i) ( 2x 4 )3 ii) ( t3 4 ) ( t3 9 ) 2 Write the coefficient of x4 and x in 4x3 5x4 2x2 3 3 Find the zeroes of f(z)=z2 2z 4 Find the product using suitable identities (4 5x)(45x) 5 What Transcript Example 18 Factorize 49a2 70ab 25b2 49a2 70ab 25b2 = 72 a2 70ab 52 b2 = (7a)2 70ab (5b)2 = (7a)2 (5b)2 2(7a) (5b) Using Identity (x y)2 = x2 y2 2xy where x = 7a and y = 5b = (7a 5b)2 = (7a 5b) (7a 5b) Example 18 Factorize (ii) 25/4 x2 y2/9 25/4 x2 y2/9 = 5^2/2^2 x2 y2/3^2 = (5/2 )^2 (y/3)^2 Using identity (a b) (a b) = a2 b2NCERT Class 9 Maths Lab Manual – Verify the Algebraic Identity (a – b)³ = a³ – b³ – 3ab (a – b) OBJECTIVE To verify the algebraic identity (a – b)³ = a³ – b³ – 3ab (a – b) Materials Required Geometry box Acrylic sheet Scissors Adhesive/Adhesive tape Cutter
Factorization Of Algebraic Expressions Identities Examples Cuemath
