Advertisements
Advertisements
प्रश्न
For the polynomial mx2 − 2x + 3 if p(−1) = 7 then find m.
उत्तर
Let p(x) = mx2 − 2x + 3
∴ p(−1) = 7
⇒ m × (−1)2 − 2 × (−1) + 3 = 7
⇒ m + 2 + 3 = 7
⇒ m = 7 − 5 = 2
Thus the value of m is 2.
APPEARS IN
संबंधित प्रश्न
For x = 0 find the value of the polynomial x2 - 5x + 5.
If p(y) = 2y3 − 6y2 − 5y + 7 then find p(2).
Find the value of the polynomial 2x − 2x3 + 7 using given values for x.
x = 3
Find the value of the polynomial 2x − 2x3 + 7 using given values for x.
x = 0
For the following polynomial, find p(1), p(0) and p(-2).
`p(x) = x^3`
For the following polynomial, find p(1), p(0) and p(-2).
p(x) = x4 − 2x2 − x
If p(x) = 2 + 5x then p(2) + p(−2) − p(1).
`p(x) = x^2 - 7 sqrt 7 x + 3 "then " p(7 sqrt 7) = ?`
When x = −1, what is the value of the polynomial 2x3 + 2x?
Find the value of the polynomial f(y) = 6y – 3y2 + 3 at y = 0
