Advertisements
Advertisements
प्रश्न
Factorise:
a3 - 27
बेरीज
उत्तर
a3 - 27
= (a)3 - (3)3
= (a - 3)[(a)2 + a × 3 + (3)2] ...[∵ a3 - b3 = (a - b)(a2 + ab + b2)]
= (a - 3)[a2 + 3a + 9]
shaalaa.com
Method of Factorisation : the Sum Or Difference of Two Cubes
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorise : 64 - a3b3
Factorise : a3 - `27/a^3`
Factorise: (x - y)3 - 8x3
Factorise:
a4 - 343a
Factorise:
`(8"a"^3)/27 - "b"^3/8`
Factorise : 2x3 + 54y3 - 4x - 12y
Factorise : 1029 - 3x3
Show that : 353 + 273 is divisible by 62
Factorise:
a3 - 27b3 + 2a2b - 6ab2
Factorise : 8a3 - b3 - 4ax + 2bx
