CBSE Class 10 Answered
If alpha,beta are zeroes of the quadratic polynomial p(x)=4x(to the power 2)-5x-1,find the values of alpha(power2)X beta + alpha X beta(power2).
Asked by | 14 Jun, 2011, 04:18: PM
Expert Answer
?2? + ??2 = ?? (?+?) = product of roots (sum of roots) = c/a(-b/a)
now c/a= -1/4 and -b/a = -(-5/4)=5/4
so the answer would be -5/16.
Answered by | 14 Jun, 2011, 02:27: PM
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