Find the value of `p^2 - q^2` , if ` p - q = 10/9 and pq = 5/3` .​

Find the value of p^(3)-q^(3), if p-q=(10)/(9) and pq=(5)/(3)

If p+q = 7 and pq=5, then the value of p^3+q^3 is : यदि p+q = 7 तथा pq = 5 है, तो p^3+q^3 का मान क्या होगा ?

Find the value of (p^(2)+q^(2))/(r^(2)+s^(2)) , if p:q=r:s

find the value of: (i) p+2q+3n ,when p=1,q=5" and "n=2

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)

Find the value if (p^(2)+q^(2))/(r^(2)+s^(2)) if p:q: : r:s