Advertisements
Advertisements
प्रश्न
Factorise: (a - 3b)2 - 36 b2
योग
Advertisements
उत्तर
(a - 3b)2 - 36 b2
= (a - 3b)2 - (6b)2
= (a - 3b + 6b) (a - 3b - 6b)
= (a + 3b)(a - 9b) ....[a2 - b2 = (a + b)(a - b)]
shaalaa.com
Factorisation by Difference of Two Squares
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Factorise: 16 - 9x2
Factorise: 4x2 - 81y2
Factorise: (a+ 2b)2 - a2
Factorise: (5a - 2b)2 - (2a - b)2
Factorise: 25(2x + y)2 - 16(x - y)2
Factorise: 49(x - y)2 -9(2x + y)2
Factorise: (0·7)2 - (0·3)2
Factorise: a2 - b2 - 2b - 1
factorise : a2 - (b - c)2
factorise : 16(5x + 4)2 -9(3x - 2)2
