The sum of the roots of the equation x2 + px + q = 0 is equal to the sum of their squares,
then
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a) p2-q2= 0
b) p2 + q2 = 24
c) p² + p = 24 d) q2 +4 = 2p
Answers
Answered by
1
Answer:
-p/1
Step-by-step explanation:
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Answered by
0
Step-by-step explanation:
correct answer is option (c)
let a and b be the roots of the equation
x^2+px+q=0
according to the question
a+b= -p,ab=q
a+b=(a+b)^2-2ab
-p=p^2-2q=p^2+p=2q
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