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प्रश्न
Factorise:
2x2 + 7x + 3
योग
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उत्तर
We can find two numbers: pq = 2 × 3 = 6 and p + q = 7
They are p = 6 and q = 1
Here, 2x2 + 7x + 3
= 2x2 + 6x + x + 3
= 2x (x + 3) + 1 (x + 3)
= (x + 3) (2x + 1)
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Factorisation of Polynomials
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Polynomials - EXERCISE 2.3 [पृष्ठ ३६]
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संबंधित प्रश्न
Find the value of k, if x – 1 is a factor of p(x) in the following case:
p(x) = kx2 – 3x + k
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12x2 – 7x + 1
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(x2 – x)2 – 8 (x2 – x) + 12
x + 1 is a factor of the polynomial ______.
Which of the following is a factor of (x + y)3 – (x3 + y3)?
Factorise:
6x2 + 7x – 3
Factorise the following:
1 – 64a3 – 12a + 48a2
Find the following product:
(2x – y + 3z)(4x2 + y2 + 9z2 + 2xy + 3yz – 6xz)
