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The portion of the line 4x+5y=20 in the ...

The portion of the line `4x+5y=20` in the first quadrant is trisected by the lines `L_(1)` and `L_(2)` passing through the origin.The tangent of an angle between the lines `L_(1)` and `L_(2)` is:

A

`25/41`

B

`8/5`

C

`2/5`

D

`30/41`

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