Question

8. n2 + 2 n (1 + 2 + 3 + ... + (n-1))=
Do
a) n3
b) n2
c) n
d) None​

Answer 1

Answer:

08-Aug-2020 · ... 2, 3,... . For example, “The number n3 − n is divisible by 6” ... Induction usually amounts to proving that P(1) is true, and then ... k=1 k = n(n + 1). 2. (b) n. ∑ k=1. (2k − 1) = n2. Solution. 1.

Step-by-step explanation:

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