Tick (✓) the correct answer

Question:

Tick (✓) the correct answer

If n is odd, then (1 + 3 + 5 + 7 +... to n terms) is equal to

(a) (n2 + 1)

(b) (n2 − 1)

(c) n2

(d) (2n2 + 1)

Solution:

(c) n2

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