10. A closed rectangular box is to be made from a piece of cardboard 20 cm by 35 cm by cutting equal squares from the corners and bending up the sides. It is to be constructed to maximize its volume, find the value of this volume. a. 456.95 cm3 966.80 cm3 b. 246.38 cm3 None of these C. d.
10. A closed rectangular box is to be made from a piece of cardboard 20 cm by 35 cm by cutting equal squares from the corners and bending up the sides. It is to be constructed to maximize its volume, find the value of this volume. a. 456.95 cm3 966.80 cm3 b. 246.38 cm3 None of these C. d.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Instruction: Select the correct answer for each of the following questions. Follow the instructions. Kindly provide a COMPLETE and CLEAR solution. Answer it ASAP because I really need it right now.
The answer should be typewritten.
Answer #10 ONLY
Transcribed Image Text:9.
3
Given: z = 4x²y³ − 2x³ + 7y² find
a. 6x²y²
b. 12x²y
2²z
Z
Əxəy
C.
18xy
d. 24xy²
10. A closed rectangular box is to be made from a piece of cardboard 20 cm by 35 cm by cutting equal squares from
the corners and bending up the sides. It is to be constructed to maximize its volume, find the value of this volume.
a.
456.95 cm3
b.
246.38 cm3
c.
d.
966.80 cm³
None of these
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