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प्रश्न
Find the value of the polynomial 5x – 4x2 + 3 at x = 2.
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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(x) = x3
Verify whether the following zeroes of the polynomial, indicated against them.
p(x) = x2, x = 0
Verify whether the following zeroes of the polynomial, indicated against them.
p(x) = 2x + 1, `x = 1/2`
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) = x^2and x = 0`
Find the value of the polynomial 5x – 4x2 + 3 at x = –1.
Find the zero of the polynomial of the following:
p(x) = 2x + 5
Verify whether the following are zeros of the polynomial, indicated against them, or not
p(x) = x3 – 1, x = 1
One of the zeroes of the polynomial 2x2 + 7x – 4 is ______.
`(-4)/5` is a zero of 4 – 5y
