If `p=sin(A-B)sin(C-D),q=sin(B-C)sin(A-D)`, `r=sin(C-A)sin(B-D)` then (a) `p+q-r=0` (b) `p+q+r=0` `p-q+r=0` (d) `p^3+q^3+r^3=3p q r`

If p=sin(A-B)sin(C-D),q=sin(B-C)sin(A-D),r=sin(C-A)sin(B-D) then p+q-r=0 (b) p+q+r=0 p-q+r=0 (d) p^3+q^3+r^3=3p q r

If =sin(A-B)sin(C-D),q=sin(B-C)sin(A-D)p=sin(C-B)sin(B-D) then (a)p+q-r=0 (b) p+q+r=0p-q+r=0(d)p^(3)+q^(3)+r^(3)=3pqr

|[sin(x+p),sin(x+q),sin(x+r)],[sin(y+p),sin(y+q),sin(y+r)],[sin(z+p),sin(z+q),sin(z+r)]| =

If P+Q+R=180^(@) then the value of psi n(Q-R)+q sin(R-P)+r sin(P-Q)

If (x+2) is a common factor of (px^2+qx+r) and (qx^2+px+r) then (a) p=q or p+q+r=0 (b) p=r or p+q+r=0 (c) q=r or p+q+r=0 (d) p=q=-1/2r

If (x+2) is a common factor of (px^2+qx+r) and (qx^2+px+r) then a) p=q or p+q+r=0 b) p=r or p+q+r=0 c) q=r or p+q+r=0 d) p=q=-1/2r

If zeros of the polynomial f(x)=x^3-3p x^2+q x-r are in A.P., then (a) 2p^3=p q-r (b) 2p^3=p q+r (c) p^3=p q-r (d) None of these

If (x+2) is a common factor of (px^(2)+qx+r) and (qx^(2)+px+r) then a p=q or p+q+r=0 b p=r or p+q+r=0 c) q=r or p+q+r=0 d p=q=-(1)/(2)r

If p > q and r < 0 , then which is true? (a) p r < q r (b) p r < q r (c) p + r < q + r (d) None of these

If S(p, q, r) = (~p) vv [-(q ^^ r)] is a compound statement, then S(~p, ~q, ~r) is a) ~S(p, q, r) b) S(p, q, r) c) p vv (q ^^ r) d) p vv (q vv r)