Grade 12th passAlgebra
X2 +px +q =o where both are constant and have root -3 and 5
1 Answer
Arun
Dear student
X = -3 then put this in the equation.
9 -3p + q = 0
3p - q = 9 ....(i)
x = 5
25 + 5p +q = 0
5 p + q = -25 ......(ii)
Solve (i) and (ii)
8p = -16
p = -2
And q = -15
Regards
Arun (askIITians forum expert)
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