The value of `("lim")_(xvec1)(p/(1-x^p)-q/(1-x^q)),p ,q , in N ,` equal (a)`(p+q)/2` (b) `(p q)/2` (c) `(p-q)/2` (d) `sqrt(p/q)`

The value of lim_(x to1)(p/(1-x^p)-q/(1-x^q)),p ,q , in N , equal (a) (p+q)/2 (b) (p q)/2 (c) (p-q)/2 (d) sqrt(p/q)

The value of lim_(x to1)(p/(1-x^p)-q/(1-x^q)),p ,q , in N , equal (a) (p+q)/2 (b) (p q)/2 (c) (p-q)/2 (d) sqrt(p/q)

The value of lim_(x to 1) ((p)/(1-x^(p))-(q)/(1-xq)),p,q,inN, equals

The value of {:[(x,p,q),(p,x,q),(p,q,x)]:} is

In the equation (x-p)/(q)+(x-q)/(p)=(q)/(x-p)+(p)/(x-q),x is not equal to

The value of p and q(p!=0,q!=0) for which p ,q are the roots of the equation x^2+p x+q=0 are (a) p=1,q=-2 (b) p=-1,q=-2 (c) p=-1,q=2 (d) p=1,q=2

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) (p-r)/(q-r), 2 d) (q-r)/(p-q), 2