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1. p - 1/p = 5 হলে, (p + 1/p)2 এর মান কত?
- A. 23
- B. 23
- C. 23
- D. 23
Answer: Option B
Explanation:
Given, p-(1/p)=5
Now, 4ab=(a+b)2-(a-b)2
So, 4 X p X (1/p) = (p +1/p)2-(p-1/p)2
or, (p+1/p)= 25+4
=29
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1. p - 1/p = 5 হলে, (p + 1/p)2 এর মান কত?
Answer: Option B
Explanation:
Given, p-(1/p)=5
Now, 4ab=(a+b)2-(a-b)2
So, 4 X p X (1/p) = (p +1/p)2-(p-1/p)2
or, (p+1/p)= 25+4
=29
Post your comments here: