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Question 18

Suppose the radius of a circle is 3cm at a certain instant and it is increasing at the rate of 0.5cm/s at what rate will the area be increasing at the instant

  • A.16πcm2/sec
  • B.20πcm2/sec
  • C.3π2
  • D.None
Objective

Question details

Exam body
NDA
Subject
Mathematics
Year
2011/2012
Question no.
#18
Type
Objective
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