Advertisements
Advertisements
प्रश्न
Factorise:
84 – 2r – 2r2
योग
उत्तर
84 – 2r – 2r2 = –2(r2 + r – 42)
= –2(r2 + 7r – 6r – 42)
= –2[r(r + 7) – 6(r + 7)]
= –2(r – 6)(r + 7)
= 2(6 – r)(r + 7)
shaalaa.com
Factorisation of Polynomials
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Polynomials - Exercise 2.3 [पृष्ठ २१]
APPEARS IN
संबंधित प्रश्न
Factorise:
x3 – 2x2 – x + 2
Factorise:
2y3 + y2 – 2y – 1
Find the Factors of the Polynomial Given Below.
2x2 + x – 1
Find the factor of the polynomial given below.
2m2 + 5m – 3
Factorize the following polynomial.
(x – 3) (x – 4)2 (x – 5) – 6
One of the factors of (25x2 – 1) + (1 + 5x)2 is ______.
Which of the following is a factor of (x + y)3 – (x3 + y3)?
Factorise the following:
9x2 – 12x + 3
Factorise:
1 + 64x3
Factorise:
`a^3 - 2sqrt(2)b^3`
