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If the two curves y = a^x and y =b^x int...

If the two curves `y = a^x` and `y =b^x` intersect at an angle `alpha`, then tan `alpha` equals

A

`(a-b)/(1+ab)`

B

`(loga-logb)/(1+logalogb)`

C

`(a+b)/(1-ab)`

D

`(loga+logb)/(1-logalogb)`

Text Solution

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The correct Answer is:
b
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