Home
Class 11
MATHS
यदि ""^(n)p(r) = 1680 तथा ""^(n)C(r ) = ...

यदि `""^(n)p_(r) = 1680` तथा `""^(n)C_(r ) = 70`, तो n तथा r मान ज्ञात कीजिए ।

Promotional Banner

Similar Questions

Explore conceptually related problems

IF ""^(n)P_(r)=840,""^(n)C_(r)=35 then n=

If ""^(n)p_(r)= 840 , ""^(n)C_(r) = 35 then n = ...... .

If ""^(n)p_(r)= 840 , ""^(n)C_(r) = 35 then n = ...... .

If ""^(n)P_(r)=5040 and ""^(n)C_(r)=210 , find n and r.

If ""^(n)P_(r)=5040 and ""^(n)C_(r)=210, find n and r.

If .^(n)P_(r) = 720 and .^(n)C_(r) = 120 , then find r. .