In DeltaABC,if cos A+ sin A -(2)/(cos B ...

In `DeltaABC,if cos A+ sin A -(2)/(cos B + sin B) =0,` then `(a+b)/c` is equal to

A

`sqrt2`

B

1

C

`(1)/(sqrt2)`

D

`2sqrt2`

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The correct Answer is:

A, B, C

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