The Value Of C0+3C1+5C2+7C3++2n+1Cn Is Equal To 2n 2n

The value of C0+3C1+5C2+7C3++2n+1Cn is equal to 2n  2nThe value of C0+3C1+5C2+7C3++2n+1Cn is equal to  2n  2n |

The value of C0+3C1+5C2+7C3+....+(2n+1)Cn is equal to :

A.

2n 

B.

2n+n.2n1 

C.

2n(n+1) 

D.

None of these

Please scroll down to see the correct answer and solution guide.

Right Answer is: C

SOLUTION

C0+3C1+5C2+7C3+.....                                                                                    

=(C0+C1+C2+)+2(C1+2C2+3C3+)

=2n+2.n.2n1=(n+1)2n 

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