∑nr=1(∑r−1k=0nCrrCk 2k) is equal to
State if True or False. The sum of 'r' terms of an AP is (2r2+3r). The nth term is 2n - 1
Find the algebraic expression to express the following number series :
4,7,10,13,16,19,… (n = 1,2,3,.....)