Advertisements
Advertisements
प्रश्न
Verify whether the following zeroes of the polynomial, indicated against them.
p(x) = (x + 1) (x – 2), x = – 1, 2
Advertisements
उत्तर
If x = −1 and x = 2 are zeroes of polynomial p(x) = (x + 1) (x − 2), then p(−1) and p(2) should be 0.
Here, p(−1) = (−1 + 1) (−1 − 2)
= 0 (−3)
= 0
Also, p(2) = (2 + 1) (2 − 2)
= 3 (0)
= 0
Therefore, x = −1 and x = 2 are zeroes of the given polynomial.
APPEARS IN
संबंधित प्रश्न
Find p(0), p(1) and p(2) for the following polynomial:-
p(x) = (x – 1) (x + 1)
Verify whether the following zeroes of the polynomial, indicated against them.
p(x) = x2, x = 0
Find the zero of the polynomial in the following case:
p(x) = 3x
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:
`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 :
f(z) = 8z
Find the number of zeros of the following polynomial represented by their graph
The zero of the polynomial 2x + 5 is
Zero of the polynomial p(x) = 2x + 5 is ______.
