helli

This page lists questions and answers that were posted by visitors named helli.

Questions

The following questions were asked by visitors named helli.

Answers

The following answers were posted by visitors named helli.

Given Volume: $V = x \, (3x) \, y V = 3x^2 \, y$ 0=3x2y′+6xy 0=3x2y′+6xy y′=−2y/x y′=−2y/x Total Area: AT=2(3x2)+2(3xy)+2(xy) AT=2(3x2)+2(3xy)+2(xy) AT=6x2+8xy AT=6x2+8xy dAT/dx=12x+8(xy′+y)=0 dAT/dx=12x+8(xy′+y)=0 12x+8[x(−2y/x)+y]=0 12x+8[x(−2y/x)+y]=0...