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प्रश्न
Find the value of the polynomial 5x – 4x2 + 3 at x = 2.
उत्तर
p(x) = 5x – 4x2 + 3
x = 2
p(2) = 5(2) – 4(2)2 + 3
= 10 – 16 + 3
= –3
Thus, the value of 5x – 4x2 + 3 at x = 2 is –3.
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संबंधित प्रश्न
Find p(0), p(1) and p(2) for the following polynomial:-
p(y) = y2 – y + 1
Find p(0), p(1) and p(2) for the following polynomial:-
p(t) = 2 + t + 2t2 – t3
Verify whether the following zeroes of the polynomial, indicated against them.
`p(x) = 3x + 1, x = -1/3`
Find the zero of the polynomial in the following case:
p(x) = cx + d, c ≠ 0, c, d are real numbers.
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`f ( x ) = 3x +1, x = - 1/3`
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`f ( x ) = 5x - pi , x = 4/5`
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`f(x) = lx + m , x = - m/1`
Verify whether the following are zeros of the polynomial, indicated against them, or not
p(x) = x3 – 1, x = 1
Zero of the polynomial p(x) = 2x + 5 is ______.
–3 is a zero of x – 3
