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How many arbitray constants are there in...

How many arbitray constants are there in the equation of a plane ?

A

2

B

3

C

4

D

Any finite number

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The correct Answer is:
C
Since, the general equation of a plane is ax+by+cz+d=0`. Whare a, b, c show direction ratio and d is a parameter.
So, the number of arbitray constants in equation of a plane = 4
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