Home
Class 11
MATHS
Evaluate: (i)""^(20)C(4) " " (ii) ""^...

Evaluate:
(i)`""^(20)C_(4) " " ` (ii) `""^(16)C_(13) " " ` (iii) `.(90C_(88)`
(iv) `""^(71)C_(71) " " `(v) `""^(n+1)C_(n) " " `(vi) ` Sigma_(r=1)^(6) ""^(6)C_(r)`

Text Solution

Verified by Experts

The correct Answer is:
(i) 4845 (ii) 560 (iii) 4005 (iv) 1 (v) n+1 (vi) 63
Promotional Banner

Similar Questions

Explore conceptually related problems

Evaluate the following: (i) .^(10)C_(5) (ii) .^(12)C_(8) (iii) .^(15)C_(12) (iv) .^(n+1)C_(n) (v) .^(14)C_(9)

""^(n)C_(n-r)+3.""^(n)C_(n-r+1)+3.""^(n)C_(n-r+2)+""^(n)C_(n-r+3)=""^(x)C_(r)

Indicate sigma (sigma) and pi (pi) bonds in the following molecules : (i) C_(6)H_(6)" " (ii) C_(6)H_(12)" " (iii) CH_(2)Cl_(2)" " (iv) CH_(3)NO_(2)" " (v) HCONHCH_(3)" " (vi) CH_(2)=C=CH_(2)

""^(n)C_(r+1)+^(n)C_(r-1)+2.""^(n)C_(r)=