Question

The quadratic equation x2+px+q=o has roots -2 and 6.Find
(i) The value of p and q
(ii)The range of values of r for which the equation x2+px+q=o has no real roots.

Answer 1

Step-by-step explanation:

4-2p+q=0

2p-q=4

36+6p+q=0

6p+q=-36

8p= -32

p=-4 ,q= -12

there is no r in 2d equation

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