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If the roots a,b of the equation x2 -px + q =0, satisfy the realtion a2 + b2 = 9, then write the value of'p' .

Supreet Kaur , 6 Years ago
Grade 12th pass
anser 1 Answers
Aditya Gupta

Last Activity: 6 Years ago

a+b=p
ab=q
so, p^2=9+2ab=9+2q
so, p = root(9+2q)
note that we cannnot find a numerical value of p from just the above information

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