Advertisements
Advertisements
प्रश्न
If x + 2 is a factor of x2 + mx + 14, then m =
पर्याय
7
2
9
14
MCQ
Advertisements
उत्तर
As (x+2)is a factor of f(x) =x^2 +mx + 14
Therefore, f(-2) =0
`(-2)^2 +m(-2)+14 = 0`
`4-2m + 14 = 0`
`m = 9`
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Identify polynomials in the following:
`f(x)=2+3/x+4x`
If f(x) = 2x2 - 13x2 + 17x + 12 find f(-3).
Find the remainder when x3 + 3x2 + 3x + 1 is divided by x + 1.
f(x) = 3x4 + 17x3 + 9x2 − 7x − 10; g(x) = x + 5
x3 − 6x2 + 3x + 10
y3 − 2y2 − 29y − 42
If x + 1 is a factor of the polynomial 2x2 + kx, then k =
Let f(x) be a polynomial such that \[f\left( - \frac{1}{2} \right)\] = 0, then a factor of f(x) is
If (3x − 1)7 = a7x7 + a6x6 + a5x5 +...+ a1x + a0, then a7 + a5 + ...+a1 + a0 =
Factorise the following:
p² – 6p – 16
