The variables x, y and z can take only positive values and are such that z =

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The variables x, y and z can take only positive values and are such that z = 3x + 2y and xy = 600.
i. Show that

ii. Find the stationary value of z and determine its nature.

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

ISBN: 9781108407144

1st Edition

Authors: Sue Pemberton, Julian Gilbey

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Question Posted: Mar 10, 2023 11:25 PM

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The variables x, y and z can take only positive values and are such that z =

Question:

z = 3x + 1200 x

Step by Step Answer:

i To show that z 3x 1200x we can substitute xy 600 into z 3x 2y and solve for y in ...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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