If `x=1-q` and `y=2q+1` , then for what value of `q ,\ x` is equal to `y` ? a) `-1` (b) 0 (c) `1/2` (d) 2

If p>1 and q>1 are such that log(p+q)=log p+log q ,then the value of log(p-1)+log(q-1) is equal to (a)0(b)1 (c) 2(d) none of these

If y is a function of x and log(x+y)-2xy=0 then the value of y(0) is equal to (a)1(b)-1( c) 2( d) 0

If x^(2)+3x+3=0 and ax^(2)+bx+1=0 ,a,b in Q have a common root,then value of (3a +b) is equal to : (A) (1)/(3) (B) 1 (C) 2 (D) 4

If p^(3)-q^(3)=(p-q)((p-q)^(2)-xpq), then find the value of x is (a) 1 (b) -3(c)3(d)-1

If x+y=2a then the value of (a)/(x-a)+(a)/(y-a) is (a) 2 (b) 0(c)-1 (d) 1

If the curves y=x^(2)+px+q and y=rx-x^(2) touches each other at (1,0) then the value of p^(2)+q^(2)+r^(2) equals (A) 9(B)11 (C) 14(D)18

If x^py^q=(x+y)^(p+q) then the value of (d^(2)y)/(dx^(2)) is (where p,q in N ) (A) 0 (B) -1 (C) 1(D) None of these

If p and q are the roots of the equation x^2-p x+q=0 , then p=1,\ q=-2 (b) b=0,\ q=1 (c) p=-2,\ q=0 (d) p=-2,\ q=1

If 2p=x+1/x and 2q=y+1/y , then the value of ((pq+sqrt((p^2-1)(q^2-1)))/(xy+1/(xy))) is

If 2x+1=15;3y-2=16 if x=p(mod 5),y=q(mod 5) then the value of p, q are (i) p=2,q=3 (ii) p=2,q=1 (iii) p=3,q=2 (iv) p=4,q=1