Question

Maths Experts Please Do it #Help Needed The first term of an arithmetic progression of consecutive integers is k² + 1. The sum of 2k + 1 terms of this progression may be expressed as (1) k³ + (k + 1)³ (2) (k-1)³+ k³ (3) (K + 1)³ (4) (k + 1)²​

Answer 1

Answer:

(a) k³+(k+1)³

Step-by-step explanation:

see the attachment

Answer 2

Step-by-step explanation:

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