0 votes 0 votes . Linear Algebra isro-ece isro2011-ece engineering-mathematics linear-algebra + – sh!va asked Feb 28, 2017 retagged Mar 10, 2019 by Naveen Kumar 3 sh!va 322 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes I hope $\sum \alpha^2$ means the sum of roots. Sum of roots $= \alpha^2 + \beta^2 = (\alpha + \beta)^2 - 2\alpha\beta=$ (sum of roots)$^2$ - $2$(prod of roots) = $p^2 - 2q$. Hence, the answer is C. Gaurav Sharma answered Mar 9, 2017 Gaurav Sharma comment Share Follow See all 0 reply Please log in or register to add a comment.