Recent content by sy7ar

ya, that's what I think too. The thing is, my book's never wrong before (for several times I doubted its answers and it turned out it's always correct), and this is the last question for the last unit. Hopefully it's just a decoy this time hehe.

i guess the answer on my book is wrong then. I really can't think of any other ways

Homework Statement base of a solid is bounded by y=\sqrt{x}, the x-axis, and x=9. each cross-section perpendicular to the x-axis is a semi-circle. find the volume of the solid Homework Equations The Attempt at a Solution I found the answer to be 81\pi/16 by the following steps...

thanks very much for the inputs, probly go with cs.

lol very nice I am admitted to the same school and kinda facing the same problem. i like web, gui stuff but also want to know how computer truly works.