Advertisements
Advertisements
प्रश्न
Write the zeros of the polynomial `f(x) = x^2 – x – 6`.
उत्तर
`f(x) = x^2 – x – 6`
`= x^2 – 3x + 2x – 6`
`= x(x – 3) + 2(x – 3)`
`= (x – 3) (x + 2)`
`f(x) = 0 ⇒ (x – 3) (x + 2) = 0`
`⇒ (x – 3) = 0 or (x + 2) = 0`
`⇒ x = 3 or x = –2`
So, the zeroes of f(x) are 3 and –2.
APPEARS IN
संबंधित प्रश्न
One zero of the polynomial `3x^3+16x^2 +15x-18 is 2/3` . Find the other zeros of the polynomial.
Find the zeroes of the polynomial `x^2 + x – p(p + 1) `
Find ∝ , β are the zeros of polynomial ∝ +β= 6 and ∝β 4 then write the polynomial.
The number of polynomials having zeroes as -2 and 5 is ______.
A quadratic polynomial, whose zeores are -4 and -5, is ______.
If p(x) is a polynomial of at least degree one and p(k) = 0, then k is known as ______.
If one of the zeroes of the quadratic polynomial (k -1)x² + kx + 1 the value of k is ______.
The graph of y = f(x) is shown in the figure for some polynomial f(x).
The number of zeroes of f(x) is ______.
The graph of y = f(x) is shown in the figure for some polynomial f(x). The number of zeroes of f(x) are ______.
The given linear polynomial y = f(x) has
