(1−x2) / (1-x) এর লঘিষ্ঠ রুপ 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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