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Grade: 12th pass
        the distance of the point (x,y,z) from the x-y plane is ?
a)x
b)y
c)z
d) IzI

the answer is IzI...why it cant be z???
i mean why modulus taken into account

please explain
thanks :)
4 years ago

Answers : (2)

Arun Kumar
IIT Delhi
askIITians Faculty
256 Points
							because distance is always positive
that's why
while z itself can be negative
4 years ago
RAJAT CHHABRA
16 Points
							ohkay! thanks a ton man! :)
cheers
						
4 years ago
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