Advertisements
Advertisements
प्रश्न
If x + 1 is a factor of the polynomial 2x2 + kx, then k =
पर्याय
-2
-3
4
2
Advertisements
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`
APPEARS IN
संबंधित प्रश्न
Identify constant, linear, quadratic and cubic polynomials from the following polynomials:
`f(x)=0`
Identify constant, linear, quadratic and cubic polynomials from the following polynomials:
`h(x)=-3x+1/2`
If `f(x)=2x^2-13x^2+17x+12` find `f(0)`
If the polynomials ax3 + 3x2 − 13 and 2x3 − 5x + a, when divided by (x − 2) leave the same remainder, find the value of a.
If x − 2 is a factor of the following two polynomials, find the values of a in each case x5 − 3x4 − ax3 + 3ax2 + 2ax + 4.
x4 − 7x3 + 9x2 + 7x − 10
Factorize of the following polynomials:
4x3 + 20x2 + 33x + 18 given that 2x + 3 is a factor.
x4 + 10x3 + 35x2 + 50x + 24
Let f(x) be a polynomial such that \[f\left( - \frac{1}{2} \right)\] = 0, then a factor of f(x) is
If x2 − 1 is a factor of ax4 + bx3 + cx2 + dx + e, then
