Advertisements
Advertisements
प्रश्न
–3 is a zero of y2 + y – 6
विकल्प
True
False
Advertisements
उत्तर
This statement is True.
Explanation:
Zero of y2 + y – 6 is given by,
y2 + y – 6 = 0
⇒ y2 + 3x – 2x – 6 = 0
⇒ y(y + 3) – 2(x + 3) = 0
⇒ (y – 2)(y + 3) = 0
⇒ y = 2 or –3
APPEARS IN
संबंधित प्रश्न
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) = 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) = 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^2and x = 0`
Find the value of the polynomial 5x – 4x2 + 3 at x = –1.
Verify whether the following are zeros of the polynomial indicated against them, or not
p(x) = 2x − 1, x = `1/2`
`(-4)/5` is a zero of 4 – 5y
0 and 2 are the zeroes of t2 – 2t
