Question

16. What is
equal to?
C(n, 1) + C(n, 2) + ... + C(n, n)
(a) 2+22 +23 + ... +21
(b) 1+2 +22 +23 + ... +21
(c) 1+2 +22 +23 + ... +2n-1
(d) 2+22 +23 + ... +2n-1​

Answer 1

Answer:

i=1. 2i = 21 + 22 + 23 + 24 . ... i=2. 2i . (a) 1024 ,. (b) 62 ,. (c) 60 ,. (d) 32 . Exercise 1. Expand the ... a natural number n, i.e., n = 1, 2, 3 ... , then P(n) is true for all n if a) P(1)