Question

भाषा की कौन-कौन सी विशेषताएँ होती हैं?​

Answer 1

Answer:

this is the answer

hope it will help you

Answer 2

Answer:

let S(n) be the sum on the left hand side.

Since S(1) = 2.3 = (1)(1 + 6 + 11)/3 = 6

∴ The statement is true for n = 1

Assume that the statement p(n) is true for n = k

S(k) = 2.3 + 3.4 +...+ (k + 1) (k + 2)

= k(k2 + 6k + 11)/3