Advertisements
Advertisements
प्रश्न
Find the zeros of the polynomial function f(x) = 4x2 − 25
बेरीज
उत्तर
Given f(x) = 4x2 – 25
To find the zeors of f(x), put f(x) = 0
∴ 4x2 – 25 = 0
⇒ 4x2 = 25
⇒ x2 = `25/4`
⇒ x = `+- sqrt(25/4)`
= `+- 5/2`
Hence the zeros of f(x) are `- 5/2, 5/2`
shaalaa.com
Polynomial Functions
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
If x = −2 is one root of x3 − x2 − 17x = 22, then find the other roots of equation
Find the real roots of x4 = 16
Solve (2x + 1)2 − (3x + 2)2 = 0
Factorize: x4 + 1. (Hint: Try completing the square)
If x2 + x + 1 is a factor of the polynomial 3x3 + 8x2 + 8x + a, then find the value of a.
Choose the correct alternative:
If `|x - 2|/(x - 2) ≥ 0`, then x belongs to
