1.

If the influence value (i_f= frac{1}{35} left[1- left[ frac{1}{1+( frac{a}{z})^2} right]^ frac{3}{2} right] ) for a uniformly loaded circular area, then the circular area is divided into _________ sectors.

A. 20
B. 35
C. 7
D. 14
Answer» C. 7


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