(x + 1)(x - 1) কে x2 - 5 দ্বারা ভাগ করলে ভাগশেষ-

A 6

B -4

C -6

D 4

Solution

Correct Answer: Option D

(x + 1)(x - 1) = x2 - 1

∴ x2 - 5)x2 - 1(1
             x2 - 5
             -------
                   4
∴ ভাগশেষ = 4

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