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A solution of the equation cot^(-1)2=co...

A solution of the equation `cot^(-1)2=cot^(-1)x+cot^(-1)(10-x)" where " 1 lt x lt 9` is : (a) 7 (b) 3 (c) 2 (d) 5

A

7

B

3

C

2

D

5

Text Solution

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The correct Answer is:
A, B
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