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If x=rsinthetacosphi,y=rsinthetasinphi ...

If `x=rsinthetacosphi,y=rsinthetasinphi and z=rcostheta, then x^2+y^2+z^2` is independent of `(a)theta,phi` (b) `r ,theta` (c) `r ,phi` (d) r

A

1

B

r

C

`r^(2)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • If f(r,theta)=rcostheta, then f(2,3) =

    A
    `-3.00`
    B
    `-1.98`
    C
    `0.10`
    D
    `1.25`

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