4/3*πrpower3 ka differenter
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y=4/3 πr^3
dy/dr = 3×4/3×π×r^2
dy/dr =4πr^2
dy/dr = 3×4/3×π×r^2
dy/dr =4πr^2
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hi mate your ans is 4pi r^2
Anonymous:
hiii
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