Advertisements
Advertisements
प्रश्न
If f(x) = 2x2 - 13x2 + 17x + 12 find f(-3).
Advertisements
उत्तर
We have
f(x) = 2x2 - 13x2 + 17x + 12
f(-3) = 2 × (-3)3 - 13 × (-3)2 + 17 × (-3) + 12
= 2 × (-27) - 13 × (9) + 17 × (-13) + 12
= -54 - 117 - 51 + 12
= -222 + 12
= 210
APPEARS IN
संबंधित प्रश्न
Write the coefficient of x2 in the following:
`pi/6x^2- 3x+4`
f(x) = x3 −6x2 − 19x + 84, g(x) = x − 7
Show that (x − 2), (x + 3) and (x − 4) are factors of x3 − 3x2 − 10x + 24.
What must be subtracted from x3 − 6x2 − 15x + 80 so that the result is exactly divisible by x2 + x − 12?
x4 − 2x3 − 7x2 + 8x + 12
Define zero or root of a polynomial.
If x + 1 is a factor of x3 + a, then write the value of a.
Mark the correct alternative in each of the following:
If x − 2 is a factor of x2 + 3ax − 2a, then a =
(x+1) is a factor of xn + 1 only if
Factorise the following:
y2 – 16y – 80
