If Deltar=|[2^(r-1),1/(r(r+1)),sin rthet...

If `Delta_r=|[2^(r-1),1/(r(r+1)),sin rtheta],[x, y, z],[2^n-1, n/(n+1),((sin)(n+1)/2 theta (sin) n/2 theta) /(sintheta/2)]|, then sum_(r=1)^n Delta_r ` is equal to

A

independent of x,y,z

B

independent of n

C

independent of `theta`

D

All of above

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The correct Answer is:

D

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