Advertisements
Advertisements
प्रश्न
Factorise : 4a2 - 49b2 + 2a - 7b
योग
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
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Factorise : a2 - 81 (b-c)2
Factorise : 50a3 - 2a
Factorise : 4a2b - 9b3
Factorise: 4a2 - (4b2 + 4bc + c2)
Factorise : `x^2 + 1/x^2 - 11`
Factorise the following by the difference of two squares:
64x2 - 121y2
Factorise the following by the difference of two squares:
x6 - 196
Factorise the following by the difference of two squares:
625 - b2
Factorise the following:
9(a - b)2 - (a + b)2
Express each of the following as the difference of two squares:
(x2 + 2x - 3) (x2 - 2x + 3)
