If W is the uniformly distributed load on a circular slab of radius R fixed at its ends, the maximum positive radial moment at its center is.
1.$$ \frac{3WR^2}{16} $$
2.$$ \frac{2WR^2}{16} $$
3.$$ \frac{WR^2}{16} $$

A

[1] Only

B

[2] Only

C

[3] Only

D

Zero