If `( p/q ) = ( 2/3 )^4 div ( 1/3 )^4` , find the value of `( p/q )^(-2)`

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

If p/q = ( -1 /3 )^-3 ÷ ( 2/3 )^-4 , find the value of ( p/q )^-1

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

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

If p/q=(3/2)^(2)-:(9/4)^(@) , find the value of (p/q)^(3)

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

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

If p = -2, q = - 1 and r = 3, find the value of (i) p^(2) + q^(2) - r^(2) (ii) 2p^(2) - q^(2) + 3r^(2) (iii) p - q - r (iv) p^(3) + q^(3) + r^(3) + 3 pqr (v) 3p^(2) q + 5pq^(2) + 2 pqr (vi) p^(4) + q^(4) - r^(4)

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