Advertisements
Advertisements
प्रश्न
Factorise the following expression.
3pqr – 6p2q2r2 – 15r2
बेरीज
Advertisements
उत्तर
We have,
3pqr – 6p2q2r2 – 15r2
= 3pqr – 3 × 2p2q2r2 – 3 × 5r2
= 3r(pq – 2p2q2r – 5r)
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३३]
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
The sum of 8a, 6a and 5b = _______.
Find the sum of: 9x2 – 6x + 7, 5 – 4x and 6 – 3x2
Find the sum of: a2 + b2 + 2ab, 2b2 + c2 + 2bc and 4c2 -a2 + 2ac
Subtract the second expression from the first:
−2b + 2c, b + 3c
Enclose the given term in bracket as required:
4a – 9 + 2b – 6 = 4a – (……..)
Simplify: p + q – (p – q) + (2p – 3q)
Simplify:
`a(a + 1/a) - b(b - 1/b) - c(c + 1/c)`
Simplify: 2 [a – 3 {a + 5 {a – 2) + 7}]
Find the numerical co-efficient of the following term:
9pq
The factors of a2 – 2ab + b2 are (a + b) and (a + b).
