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# quiz8 - Math 250a(Kennedy Quiz 8 Fall ’07 1 The table...

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Unformatted text preview: Math 250a (Kennedy) - Quiz 8 - Fall ’07 1. The table gives some values of f (:5) Compute the following approxima— "m Minn tions to fol f (9v) dx. The “(2)” means we use N = 2 subdivisions of [0, 1]. (a) LEFT(2) a5“( [—6 ‘1‘) 3 2.; (b) RIGHT(2) a‘f( Cffﬁ) ° 65” (c)TRAP(2) a,\$( %(l+‘€)+ {j (revetﬂ ; «(15: (d) MID(2) ‘9‘)”(27‘6) 5: cf 2. Find the solution of the differential equation yy’ — a: cos(:c2) = 0 with the initial condition y(0) = —1. 4 a yzi‘ = «(M/2°] {ydgf :: f4 “rt/rt} ab» 4 2,71 = 4,5401%] + C tacit/337337727 To )t"/ ;L(07 '> “’( Pal??— ? a ,— m“? C’ ,_( 9» 0f c {a C's! ...
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