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Verified by Experts

The correct Answer is:
`7`
Clearly minimum value of `a^(2)+b^(2)+c^(2)`
`" " =((|(3(0)+ 2(0)+ (0)-7)|)/(sqrt((3)^(2)+ (2)^(2)+(1)^(2))))^(2) = (49)/(14)=(7)/(2)` units
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