" 5.(a) Add: "quad p(p-q),q(q-r)" and "r(r-p)

Add p(p-q),q(q-r) and r(r-p)

Add: p(p-q),q(q-r) and r(r-p)

Add : p(p-q),q(q-r) and (r-p)

Add: p ( p – q), q ( q – r) and r ( r – p)

Add:p(p-q),q(q-r) and r(r-p)2x(z-x-y) and 2y(z-y-x)

7. Let A= {p, q, r}. Which of the following is an equivalence relation on A?(a) R, = {(p, q), (q, r), (p, r), (p, q)} (b) R2 = {(1,9).(,p), (r,r). (9,7)} (c) Rz = {(p, p), (q,9), (r, r), (p, q)} (d) one of these

The roots of the equation (q-r)x^2+(r-p)x+p-q=0 are (A) (r-p)/(q-r),1 (B) (p-q)/(q-r),1 (C) (q-r)/(p-q),1 (D) (r-p)/(p-q),1

The roots of the equation (q-r)x^2+(r-p)x+p-q=0 are (A) (r-p)/(q-r),1 (B) (p-q)/(q-r),1 (C) (q-r)/(p-q),1 (D) (r-p)/(p-q),1