A) \[\frac{2K\pi }{a}\]
B) \[\frac{5K}{4\,a}\]
C) \[\frac{K}{2\,a}\]
D) \[\frac{4K}{5\,a}\]
Correct Answer: D
Solution :
A circle with radius r as shown below, such that the position of point P from centre O, i.e., OP = r is given as \[r=OP=x\hat{i}+y\hat{j}\]You need to login to perform this action.
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