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tan [i log ((a-i b)/(a+i b))]=...

`tan [i log ((a-i b)/(a+i b))]=`

A

a.`(2 a b)/(a^(2)-b^(2))`

B

b.`(a^(2)-b^(2))/(2 a b)`

C

c.`(a^(2)+b)/(2(2 a b))`

D

d.`(2 a b)/(a^(2)+b^(2))`

Text Solution

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The correct Answer is:
B
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