Falling Behind in Studies? Join Our Performance Improvement Batch. Enroll For Free
One of our academic counsellors will contact you within 1 working day.
Click to Chat
1800-1023-196
+91-120-4616500
CART 0
Use Coupon: CART20 and get 20% off on all online Study Material
Welcome User
OR
LOGIN
Complete Your Registration (Step 2 of 2 )
... prove that coc2 + c1c3+......cn-2cn = (2n)!/[(n-2)!(n+2)!]
coc2 + c1c3+......cn-2cncan be written ascocn-2 + c1cn-3+......cn-2c0which is coeff of xn-2 in (1+x)n(1+x)nthat is coeff of xn-2 in (1+x)2n= 2nCn-2
Post Question
Dear , Preparing for entrance exams? Register yourself for the free demo class from askiitians.
points won -