IF every pair from the equation ` x^2 +px +qr =0 , x^2 +qx + rp =0` and ` x^2 + rx +pq =0` has a common root , them the product of three common roots is

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

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) 2 pqr (C) p^(2)q^(2)r^(2)(D) none of these

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) 2 pqr (C) (p^(2)q^(2)r^(2)) (D)one of these

If every pair from among the equations x^(2)+px+qr=0,x^(2)+qx+rp=0 and x^(2)+rx+pq has a common root then the product of three common root is (A) pqr (B) 2 pqr (C) p^(2)q^(2)r^(2)(D) none of these

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

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

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 sum of the three common roots is

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 sum of the three common roots is