" 23.If "(x,2p+q)=(y,p+2q)" then "p-q

If 2p+q=11 and p+2q=13, then p+q=

If x^(p) y^(q) = (x + y)^((p + q)) " then " (dy)/(dx)= ?

If x^(p) y^(q) = (x + y)^((p + q)) " then " (dy)/(dx)= ?

If x^(p) y^(q) = (x + y)^((p + q)) " then " (dy)/(dx)= ?

If x^p y^q = (x+y)^(p+q) , then( d^2y)/(d x^2 ) =..........

Find (x+2p)/(x-2p) +(x+2q)/(x-2q),"when x" = (4pq)/(p+q) .

If x^(p) + y^(q) = (x + y)^(p+q) , " then" (dy)/(dx) is

If the difference of the roots of x^2-p x+q=0 is unity, then a) p^2+4q=1 b) p^2-4q=1 c) p^2+4q^2=(1+2q)^2 d) 4p^2+q^2=(1+2p)^2