Divide 120 into three parts so that the sum of their products taken two at a time maximum. If x, y, z are two parts, find value of x, y and z. Q.20 1) x-40, y=40, z=D40 2) x-38, y=50, z=32 3) x-50, y=40, z=30 4) x-80, y-30, z=50

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
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Chapter2: Systems Of Linear Equations
Section2.5: Iterative Methods For Solving Linear Systems
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Divide 120 into three parts so that the sum of their products taken two at a time
maximum. If x, y, z are two parts, find value of x, y and z.
Q.20
1) x-40, y=40, z=40
2) x-38, y=50, z=32
3) x-50, y=40, z=30
4) x-80, y=30, z=50
Celect one.
O a OPTION1
Ob.OPTION 2
OC OPTION 3
Od OPTION 4
4:22 PM
a A A O 40 ENG
10
Scanned with CamScan
f(x, y) = x² +xyz+ z Find fy at (1,1,1)
1) 0
2) 1
Transcribed Image Text:9 Scanned with CamScan Divide 120 into three parts so that the sum of their products taken two at a time maximum. If x, y, z are two parts, find value of x, y and z. Q.20 1) x-40, y=40, z=40 2) x-38, y=50, z=32 3) x-50, y=40, z=30 4) x-80, y=30, z=50 Celect one. O a OPTION1 Ob.OPTION 2 OC OPTION 3 Od OPTION 4 4:22 PM a A A O 40 ENG 10 Scanned with CamScan f(x, y) = x² +xyz+ z Find fy at (1,1,1) 1) 0 2) 1
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