# Conservatin of angular momentum at centre

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In this we cannot conserve angular momentum at centre .

B asks if angular momentum can be conserved about P, which is not at the centre. I do not understand the significance of your comment.
Check out option C . To find that we have to conserve angular momentum at point P
Sorry I do not understand your difficulty. Your question says "We cannot conserve angular momentum at centre." Your comment mentions conserving AM at point P, not at the centre.
To solve option C they have conserve angular momentum at point P in the solution . My question is why we cannot solve it by conserving angular momentum at centre .
Try to write a solution conserving AM at the centre. You know what answer to expect, so you can check for yourself if it works.
Please be specify in what would like me to clarify in my answer.I think my answer is straightforward.thanks.
@Green My comment above is addressed to koolman.