Which relation is true for A ?
If A = 1/(sqrt1 + sqrt3)1√1+√3 + 1/(sqrt3 + sqrt5)1√3+√5 + 1/(sqrt5 + sqrt7)1√5+√7 + ...... upto 50 terms, then which of the following relation is true for A :
- 4
<=≤ A <=≤ 4.5
- 9
<=≤ A <=≤ 10
- 4.5
<=≤ A<=≤ 5
- None of the above
If A =
- 4
<=≤ A<=≤ 4.5 - 9
<=≤ A<=≤ 10 - 4.5
<=≤ A<=≤ 5 - None of the above
1 Answer
Explanation:
If
Now,
Hence, the right option is