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If the points (1,2) and (3, 4) are on th...

If the points (1,2) and (3, 4) are on the opposite side of the line 3x - 5y + a = 0, then :

A

`7 lt a lt 11`

B

a = 7

C

a = 11

D

`a lt 7 "or" a gt 1`

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The correct Answer is:
D
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