Question

find the value of p for which quadratic equation 4x^+8x-p=0 has real roots

Answer 1

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Step-by-step explanation:

Answer 2

Answer:

Given quadratic equation is

4x² + 8x - k = 0.... (i)

zero

D = 6² - 4ac ≥ 0

8² − 4(4)(-k) ≥ 0

64 + 16k > 0

16k > - 64

k> -4

The quadratic equation has real roots if

its discriminant is greater than or equal to f.

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