यदि `P(5,r)=P(6,r-1)`, तो r ज्ञात कीजिए.

If P(5,r)=P(6,r-1),f in dr

If P(5,r)=2,P(6,r-1), find r

If P(5, r)=P(6, r-1) ,find r.

If P(5, r)=2.P(6, r-1), find r.

Find r if 5 P(4,r) = 6P ( 5,r-1) , r ge 1.

Find r if 4.P(6,r)=P(6,r+1)

Find r when P(4,r)=6P(5,r-1)

The set of values of r simultaneously satisfying the system of equations P(5,r)=2P(6,r-1) and 5P(4,r)=6P(5,r-1) is