Home
Class 11
MATHS
If \ ^8Cr-\ ^7C3\ =^7C2\ find r...

If `\ ^8C_r-\ ^7C_3\ =^7C_2\ ` find `r`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • BRIEF REVIEW OF CARTESIAN SYSTEM OF RECTANGULAR COORDINATES

    RD SHARMA ENGLISH|Exercise All Questions|77 Videos

  • COMPLEX NUMBERS

    RD SHARMA ENGLISH|Exercise All Questions|269 Videos

Similar Questions

Explore conceptually related problems

If \ ^(16)C_r=\ \ ^(16)C_(r+2) , find \ ^(r) C_4

If \ ^(15)C_(3r)=\ ^(15)C_(r+3) , find \ rdot

If .^18C_r=^18C_(r+2) , find .^rC_6

If \ ^(28)C_(2r):\ ^(24)C_(2r-4) =225 : 11 , find r

If \ ^(43)C_(r-6)=\ ^(43)C_(3r+1)\ then the value of r is a. 12 b. 8 c. 6 d. 10 e. 14

If ^(15)C_(3r)=^(15)C_(r+3) , then find r .

If .^(15)C_(3r)=.^(15)C_(r+3), find .^(r)C_(2) .

If .^(18)C_(r) = .^(18)C_(r+2) , then evaluate .^(r)C_(5) .

IF ""^(18) C_r= ""^(18)C_(r+2) , Find the value of ""^ ( r ) C_5

The value of ( .^7C_0 + ^7C_1)+( .^7C_1+ ^7C_2)+....+(.^7C_6+ ^7C_7) is (A) 2^7-1 (B) 2^8-2 (C) 2^8-1 (D) 2^8