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CBSE Class 10 Answered

Alpha and bita are zeroes of polynomial p(x)=x2-(k-6)x+(2k+1).Find the value of k if alpha+bita=alpha*bita
Asked by simran jatttana | 03 May, 2014, 05:26: PM
answered-by-expert Expert Answer
 
p(x)=x2-(k-6)x+(2k+1)=0
 
Given:
 
alpha + beta = alpha*beta
 
sum of roots = product of roots
 
k-6=2k+1
 
k=-7
Answered by Avinash Soni | 04 May, 2014, 08:01: AM
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