any one can solve this question?
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hope this will help you.
further query in comment section.
further query in comment section.
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manish2869:
can you explain
yes...since volume of sphere =4/3πr^3
so we diffrentiate volume wrt t
and dv/dt was given....and by differentiation volume wrt time we get rate of change of radius
equate it and get your answer.
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