If P(n) be the statement n(n + 1) + 1 is odd, then which of the f… - Vidyadip

MCQ

If P(n) be the statement n(n + 1) + 1 is odd, then which of the following is false?

A
P(2)
B
P(3)
C
P(4)
✓
None of these.

✓

Answer

Correct option: D.

None of these.

P(n) = n(n + 1) + 1
P(2) = 6 + 1 = 7
P(3) = 3 × 4 + 1 = 13
P(4) = 4 × 5 + 1 = 21
None of the above is even.

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