Advertisements
Advertisements
प्रश्न
Find the zero of the polynomial of the following:
p(x) = 2x + 5
Advertisements
उत्तर
p(x) = 2x + 5
= `2(x + 5/2)`
`"p"(-5/2) = 2(- 5/2) + 5/2`
= −5 + 5
= 2(0)
= 0
Here `-5/2` is the zero of p(x).
APPEARS IN
संबंधित प्रश्न
Find the value of the polynomial 5x – 4x2 + 3 at x = 0.
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`
Verify whether the following zeroes of the polynomial, indicated against them.
p(x) = 3x2 – 1, x = `-1/sqrt3,2/sqrt3`
Find the zero of the polynomial in the following case:
p(x) = x + 5
Find the zero of the polynomial in the following case:
p(x) = x – 5
Find the zero of the polynomial in the following case:
p(x) = 2x + 5
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:
`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^2- 1,x=1,-1`
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 ) = 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`
Find the value of the polynomial 5x – 4x2 + 3 at x = –1.
Find the zero of the polynomial of the following:
q(y) = 2y – 3
Verify whether the following are zeros of the polynomial, indicated against them, or not
p(x) = ax + b, x = `(-"b")/"a"`
Find the number of zeros of the following polynomial represented by their graph
The zero of the polynomial 2x + 5 is
If `p(x) = x^2 - 2sqrt(2)x + 1`, then `p(2sqrt(2))` is equal to ______.
Zero of the polynomial p(x) = 2x + 5 is ______.
One of the zeroes of the polynomial 2x2 + 7x – 4 is ______.
Find p(0), p(1), p(–2) for the following polynomial:
p(y) = (y + 2)(y – 2)
0 and 2 are the zeroes of t2 – 2t
–3 is a zero of y2 + y – 6
Find the zeroes of the polynomial in the following:
q(x) = 2x – 7
Find the zeroes of the polynomial in the following:
h(y) = 2y
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`.
