First slide

Introduction to P.M.I

Question

Let p(n) denote the statement that n² + n is odd. It is seen that p(n) ⇒ p(n + 1), P(n) is true for all

Moderate

A

$n > 1$
B

n
C

$n > 2$
D

None of these

Solution

Since the square of any odd number is always odd an sum of two odd numbers is always even, so for no ‘n’ this statement is true.

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