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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
Find the zero of the polynomial in the following case:
p(x) = 3x – 2
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`g(x)=3x^2-2,` `x=2/sqrt3 2/sqrt3`
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`f (x) = 2x +1, x = 1/2`
Find the value of the polynomial 5x – 4x2 + 3 at x = –1.
Find the zero of the polynomial of the following:
p(x) = x – 3
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) = 2x − 1, x = `1/2`
Find the zeroes of the polynomial:
p(x) = (x – 2)2 – (x + 2)2
If a, b, c are all non-zero and a + b + c = 0, prove that `a^2/(bc) + b^2/(ca) + c^2/(ab) = 3`.
