{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

HW23-Solution

# HW23-Solution - HW23 Solution Terry Cooke Cal Poly San Luis...

This preview shows pages 1–4. Sign up to view the full content.

HW23 - Solution Terry Cooke: Cal Poly San Luis Obispo

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Chapter 9, Solution 9 At 0, : x y b (1 0) b c or c b At , 0: x a y 1/2 0 (1 ) b ka 1/2 1 or k a Then 1/2 1/2 1 x y b a Now 3 1/2 3 1/2 1 1 1 3 3 x x dI y dx b dx a or 1/2 3/2 3 1/2 3/2 1 1 3 3 3 x x x x dI b dx a a a Then 1/2 3/2 3 1/2 3/2 0 1 2 1 3 3 3 a x x x x x I dI b dx a a a 3/2 2 5/2 3 1/2 3/2 0 2 3 2 2 3 2 5 a x x x b x a a a 3 1 or 15 x I ab
Chapter 9, Solution 13 At , : x a y b / a a b ke or b k e Then / / 1 x a x a b y e be e Now 2 2 2 / 1 ( ) ( ) y x a dI x dA x y dx x be dx Then 2 / 1 0 a x a y y I dI bx e dx Now use integration by parts with 2 / 1 / 1 2 x a x a u x dv e dx du xdx v ae Then 2 / 1 2 / 1 / 1 0 0 0 3 / 1 0 ( )2 2 a a a x a x a x a a x a x e dx x ae ae xdx a a xe dx Using integration by parts with / 1 / 1 x a x a u x dv e dx du dx v ae Then 3 / 1 / 1 0 0 3 2 2 / 1 0 2 ( ) | ( ) 2 ( ) | a x a a x a y x a a I b a a xae ae dx b a a a a e

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 4

HW23-Solution - HW23 Solution Terry Cooke Cal Poly San Luis...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online