Advertisements
Advertisements
प्रश्न
Factorise:
84 – 2r – 2r2
बेरीज
Advertisements
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
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Polynomials - Exercise 2.3 [पृष्ठ २१]
APPEARS IN
संबंधित प्रश्न
Factorise:
2x2 + 7x + 3
Find the factor of the polynomial given below.
12x2 + 61x + 77
Factorize the following polynomial.
(x2 – x)2 – 8 (x2 – x) + 12
Factorize the following polynomial.
(x2 – 6x)2 – 8 (x2 – 6x + 8) – 64
Factorize the following polynomial.
(x – 3) (x – 4)2 (x – 5) – 6
Show that 2x – 3 is a factor of x + 2x3 – 9x2 + 12.
Show that p – 1 is a factor of p10 – 1 and also of p11 – 1.
Factorise:
6x2 + 7x – 3
Factorise:
`a^3 - 2sqrt(2)b^3`
Factorise:
`2sqrt(2)a^3 + 8b^3 - 27c^3 + 18sqrt(2)abc`
