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If a,b,c are the sides of triangle ABC satisfying `log (1 +c/a)+log a - log b = log 2.` Also `a(1 - x^2) + 2 b x+c(1 + x^2) = 0` has two equal roots. Find the value of `sin A + sin B + sin C.`

A

`(5)/(2)`

B

`(12)/(5)`

C

`(8)/(3)`

D

2

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The correct Answer is:
B
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VK JAISWAL-SOLUTION OF TRIANGLES-Exercise-3 : Comprehension Type Problems
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  8. Let the incircle of DeltaABC touches the sides BC, CA, AB at A(1), B(1...

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  9. Let ABC be a given triangle. Points D and E are on sides AB and AC res...

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  10. Let ABC be a given triangle. Points D and E are on sides AB and AC res...

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  12. a, b, c ar the length of sides BC, CA, AB respectively of DeltaABC sa...

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