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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 :)

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 :)

Grade:12th pass

2 Answers

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

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