If x² + 4x + 3 is odd, then which one of the following could be the value of x?

A 9

B 11

C 13

D 16

Solution

Correct Answer: Option D

এখানে,
সংখ্যাটি x² + 4x + 3
x=16 হলে,
(16)² +4.16+3=256+64+3
=323 যা বিজোড় সংখ্যা
অতএব, x=16 হলে x² +4x+3 বিজোড় ।

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