(1 - x2)/(1 - x) এর লঘিষ্ঠ রূপ নিচের কোনটি? 

A 1

B x

C (1 - x) 

D (1 + x)

Solution

Correct Answer: Option D

(1 - x2) / (1 - x)
= [(1 + x) (1 - x)] / (1 - x)
= (1 + x)

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