Advertisements
Advertisements
Question
Factorise the following expression.
63p2q2r2s – 9pq2r2s2 + 15p2qr2s2 – 60p2q2rs2
Advertisements
Solution
We have,
63p2q2r2s – 9pq2r2s2 + 15p2qr2s2 – 60p2q2rs2
= 3 × 21p2q2r2s – 3 × 3pq2r2s2 + 3 × 5p2qr2s2 – 3 × 20p2q2rs2
= 3pqrs(21pqr – 3qrs + 5prs – 20pqs)
APPEARS IN
RELATED QUESTIONS
Identify the term, their coefficients for the following expression:
7x2yz − 5xy
Write numerical co-efficient of the following: – 8xy3
Find the sum of: 4x3 + 2x2 – x + 1, 2x3 – 5x2 – 3x + 6, x2 + 8 and 5x3 – 7x
The two adjacent sides of a rectangle are 6a + 96 and 8a- 46. Find its, perimeter.
Subtract the second expression from the first:
3a2 - 8ab - 2b2 , 3a2 - 4ab + 6b2
Find the numerical co-efficient of the following term:
12k
Factorised form of 23xy – 46x + 54y – 108 is ______.
Factorised form of p2 + 30p + 216 is (p + 18)(p – 12).
(9x – 51) ÷ 9 is x – 51.
Identify term which contain x and give the coefficient of x.
13y2 − 8yx
