If the ratio of long and short spans of a two way slab with corners held down is

Question

If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by

Options:

A . (5/6) (r/1 + r²) M

B . (5/6) (r²/1 + r²) M

C . (5/6) (r²/1 + r³) M

D . (5/6) (r²/1 + r⁴) M

Answer: Option D

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