IGCSE
EDEXCEL
Further Mathematics
8 Marks
QP-FurtherPureMath-202405-U1 · Question 4
Question (excerpt):
8 4 The surface area of a sphere with radius r cm is increasing at a constant rate of 50π cm2/s Find, in cm3, the exact volume of the sphere at the instant when the rate of increase of r is 5 1…
8 4 The surface area of a sphere with radius r cm is increasing at a constant rate of 50π cm2/s Find, in cm3, the exact volume of the sphere at the instant when the rate of increase of r is 5 1…
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