Advertisements
Advertisements
प्रश्न
If x + 1 is a factor of the polynomial 2x2 + kx, then k =
विकल्प
-2
-3
4
2
MCQ
उत्तर
As (x + 1)is a factor of polynomial f(x) = 2x^2 + kx .Therefore, f(-1) = 0
So,
`2(-1)^2 + k(-1) = 0`
`2 -k = 0`
` = 2`
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Write the coefficient of x2 in the following:
`pi/6x^2- 3x+4`
Write the degrees of the following polynomials:
`12-x+2x^3`
Find the integral roots of the polynomial f(x) = x3 + 6x2 + 11x + 6.
Find rational roots of the polynomial f(x) = 2x3 + x2 − 7x − 6.
f(x) = x4 − 3x2 + 4, g(x) = x − 2
Find the remainder when x3 + 3x2 + 3x + 1 is divided by \[x + \pi\] .
x4 − 2x3 − 7x2 + 8x + 12
If x − 3 is a factor of x2 − ax − 15, then a =
Factorise the following:
6x2 + 16xy + 8y2
Factorise the following:
(p – q)2 – 6(p – q) – 16
