Question

Each term of the sum
$C_0^2+3.C_1^2+5.C_2^2.....(2n+1)c_n^2$ can be written as \((2r+1){}^nC_r^2

• A. True
• B. False

Answer 1

The correct option is A

True

When we put r= 0,1,2,3...... we get ${}^n{C}_0^2,3.C_1^2+5.C_2^2.......$ which are the terms of the sum.
$\Rightarrow$ Statement is true.