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For c ne 0, c ne 1 if the straight line ...

For `c ne 0, c ne 1` if the straight line
`x + y =1,2 x -y =c and bx +2by=c` have one common point, then

A

`c lt 1 b in (-3, (3)/(4))`

B

`c gt 1 implies b in (-(3)/(4), 3)`

C

`x lt 1 implies b in (-3, (3)/(2))`

D

`c gt 1 implies b in (-(3)/(4), (3)/(4))`

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The correct Answer is:
A
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