Advertisements
Advertisements
प्रश्न
Factorise : 4a2 - 49b2 + 2a - 7b
बेरीज
Advertisements
उत्तर
4a2 - 49b2 + 2a - 7b
= [ ( 2a )2 - ( 7b )2] + [ 2a - 7b ]
= [ 2a - 7b ][ 2a + 7b ] + [ 2a - 7b ] [ ∵ a2 - b2 = ( a + b )( a - b ) ]
= [ 2a - 7b ][ 2a + 7b + 1 ]
shaalaa.com
Method of Factorisation : Difference of Two Squares
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorise : a2 - (2a + 3b)2
Factorise : 3a5 - 108a3
Factorise : a3 + 2a2 - a - 2
Factorise : a2 - b2 - (a + b) 2
Factorize : 9a2 - (a2 - 4) 2
Factorise the following by the difference of two squares:
(x - 2y)2 -z2
Factorise the following:
(x2 + y2 – z2)2 – 4x2y2
Factorise the following:
4xy - x2 - 4y2 + z2
Express each of the following as the difference of two squares:
(x2 - 2x + 3)(x2 + 2x + 3)
Express each of the following as the difference of two squares:
(x2 + 2x - 3) (x2 - 2x + 3)
