Question

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Answer 1

Explanation:

The coefficient of x in the quadratic equation x

2

+px+q=0 was taken as 17 in place of 13, its roots were found to be -2 and -15.

Here, Products of the roots = q=2×15=30, correct value of p=13

Then, quadratic equation becomes,

x

2

+13x+30=0

=>(x+10)(x+3)=0

=>x=−10,−3

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