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(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 indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`f(x) = lx + m , x = - m/1`
If `x = −1/2` is a zero of the polynomial `p(x)=8x^3-ax^2 -+2` find the value of a.
Verify whether the following are zeros of the polynomial indicated against them, or not
p(x) = 2x − 1, x = `1/2`
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
Zero of the polynomial p(x) = 2x + 5 is ______.
Zero of a polynomial is always 0
`-1/3` is a zero of 3x + 1
