midterm

# midterm - (10 mar; ). So ve he following system of...

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· ( 1 0 m ar ; ) . S o v e h e foll o w ing s y s t e m of e qu at ion s u s in g C r a m e r ' s ru l e. - 2y - 2 z = -1 [0 d - ~ J \-- , 1 - - \ ~ x - y + z = 3 j \ :: ? - \ ~\ \ v - ' ) - x + y + z = 4 - \ \ \ Lz ( ) ( j '" ~ - ~ - - --- - ~ ~ - ~ ~ - - . ) \ \ \ 2 - d - i "Q ) ; - - , \ - \ \ - t \ ~ ~~ ) D 0 1 / / - - - . . , - (\ \ \ ~ -:\ ~ - \\ll 1 ) ~ K - . u ~\ - ~ (6\ } - + C o \ ~ - I D 6 > = \ -~ d -\ -\ \ C o \~ ) -\ 0 \ \ - J ~ ) ~ - \ = V ? _ \ \ - ~ \ _ ' 1 _ , ~ \ - _ rA ~ ') - \ 6 /~)~ - \ -~ \ <" 3 - \ ' t~ - ' ) \ Q~ u -\ - ~ = - \ \ ; ' -~ \ ~ \ - 0 ~ ~ ~ \ - ) ~ \ - - -- \ - { -\ o 1 -\ ¥ ~ - \ ~ ~ - ) 't1 - \ -\ ~ - \ \ ~ - - \ ' \ "l ) = \ ==- I \;~\ J = -X \ \ ~ ) - - \ Lt

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2 . ( 1 0 mark s) . D e t e rmine the curr e nt s I t, 1 2 , and h in t h e c ir c uit below . '9 1 " 7 d~ ' ) ~J r L l~ r ( -- \ .. R - :) " \:: ) "< ' )\ ? - ': > - = \ Sl J l - ~ - L 1 - \ 0 o b \ 0 P - ~ \ - \ -\ ~ ~ / ~ \ - \ -\ \ ~ - - a . ~ \ " 2' ) ' 0 l \ - i ~ ~ 6 j , r :- ~ ~ d ~ ~ ~ D 6 ~ ~ 0 I ~ ,.. -c) ' R ~ 4 ' P V) ---- 1 \ ~ ( \ ~ J - , ~ ~ ~ L.~ ~ -- - ._---. 1 ~ \ (~ ) ~ j ~ ~ ,- ~~ ~ ~ 1 [ 0 1 ) 2 : t ' - ~ ~ L \ ) \ ' - >
3 . ( 10 marks) . Find t h e q u adrat i c p o l y nomi a l w ho se g r ap h p asses t h r ou g h t he po i n ts ( 0 , 1 ), ( -1 , 1 ) , and ( 2,7 ) . - - --- \/ : : ( l

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## This document was uploaded on 10/04/2011.

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midterm - (10 mar; ). So ve he following system of...

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