TT喻肩町cm/sec啸双貢する21.(i)1 ст46큐喻マてき:(A) 2Tt – InterviewSolution

1.	TT喻肩町cm/sec啸双貢する21.(i)1 ст46큐喻マてき:(A) 2Tt cm3/sec (B) 3Tt cm3/secπ cm3 /sec2The radius of an air bubble is increasing atthe rate of cm per second. The volume ofthe bubble increasing at the rate whenradius 1 cm, is(A) 2π cm3/sec (B) 3.cm3/sec2(C)-Tcm3/sec(D) ofthese
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