Advertisements
Advertisements
प्रश्न
factorise: (2a + b)2 + 5(2a + b) + 6
योग
Advertisements
उत्तर
(2a + b)2 + 5(2a + b) + 6
Let (2a + b) = x
(2a + b)2 = x2
(2a + b)2 + 5 (2a + b) + 6
= x2 + 5x + 6
= x2 + 3x + 2x + 6
= x(x + 3)+2(x + 3)
= (x + 3)(x + 2)
= (2a + b + 3)(2a + b + 2)
(Substituting the value of x)
shaalaa.com
Factorisation by Grouping
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Factorise by the grouping method : y2 - (a + b) y + ab
Factorise : - x2y - x + 3xy + 3
Factorise : a(b − c) − d(c − b)
Factorise : ab2 - (a - c) b - c
Factorise : (a2 − b2) c + (b2 − c2)a
Factorise : 2ab2c - 2a + 3b3c - 3b - 4b2c2 + 4c
factorise: a2 +5a - 6
factorise: 2x2 + xy - 6y2
factorise: 5x2 - 4xy - 12y2
factorise: 15(5x - 4)2 - 10(5x - 4)
