If every pair from among the equations `x^2+px+qr=0, x^2+qx+rp=0 and x^2+rx+ pq=0` has a common...
195 views · Published 11 October 2018 · 3:12 · Indexed 21 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If every pair from among the equations `x^2+px+qr=0, x^2+qx+rp=0 and x^2+rx+ pq=0` has a common root then the product of three common root is (A) pqr (B) 2pqr (C) `p^2q^2r^2` (D) none of these
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