Advertisements
Advertisements
प्रश्न
Factorise: 49(x - y)2 -9(2x + y)2
बेरीज
उत्तर
49(x - y)2 -9(2x + y)2
= [7(x-y)]2 - [3(2x + y)]2
= (7x - 7y)2 - (6x + 3y)2
= (7x - 7y + 6x + 3y) (7x - 7y - 6x - 3y)
= (13x - 4y) (x - 10y)
shaalaa.com
Factorisation by Difference of Two Squares
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorise: `4/25 - 25b^2`
Factorise: (5a - 3b)2 - 16b2
Factorise: a4 - (a2 - 3b2)2
Factorise: 4(2a + b)2 - (a - b)2
Factorise: 25(2x + y)2 - 16(x - y)2
Factorise: `(6 2/3)^2 - (2 1/3)^2`
Factorise: (0·7)2 - (0·3)2
Factorise: (4.5)2 – (1.5)2
Factorise: 75(x + y)2 - 48(x - y)2
Factorise: 15(2x - y)2 - 16(2x - y) - 15
