If `p/q=(2/3)^2 div (6/7)^0 `, find the value of `(q/p)^2`.

If p/q=(2/3)^2-:(6/7)^0, find the value of (q/p)^3

Q find the value of:- (-4) div (2/3)

If p = 4, q= 3 and r = -2, find the values of : (p^(2)+q^(2)-r^(2))/(pq+qr-pr)

If p = 4,q = 3 and r = -2, find the values of : (3pq+2qr^(2))/(p+q-r)

If p = 3 , q = 2 and r = -1, find the values of (3p^(2)q+5r)/(2pq-3qr)

If p = 4,q = -3 and r = 2, find the value of : p^(3)+q^(3)-r^(3)-3pqr

The sum of first q terms of an A.P. is 63 q-3q^2 . If its p t h term is -60 , find the value of p . Also, find the 11 t h term of this A.P.

Let leftrightarrow be an operation on p and q defined as p leftrightarrow q = (2^(p)-q) . If p leftrightarrow 12 = p, then find the value of p.

If p + q = 7 and pq = 12 , then will is the value of 1/(p^2) + 1/(q^2) ?

If p = log 20 and q = log 25, find the value of x, if 2 log(x + 1) = 2p - q.