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Prahlad
Answers (1)
We know for any quadratic polynomial f(x)=ax^2+bx+c with roots alpha(p) and beta(q) (x-p)(x-q)= K[x^2-(p+q)x+pq] So we express (p+q) as -b/a and pq as c/a..... A.)(p^2/q) + (q^2/p)=? By simply taking LCM, we can write the above statement as (p^3+q^3)/pq
