Problem

Find two positive numbers whose product is $ 100 …

00:49

Problem 2 Easy Difficulty

Find two numbers whose difference is $ 100 $ and whose product is a minimum.

Name: find two numbers whose difference is 100 and whose product is a minimum
Uploaded: 2021-02-05
Duration: 2 min 3 s
Channel: Numerade
Description: Find two numbers whose difference is $ 100 $ and whose product is a minimum.

Answer

$(x, y)=(50,-50)$

Heather Z.

Oregon State University

Kayleah T.

Harvey Mudd College

Kristen K.

University of Michigan - Ann Arbor

Samuel H.

University of Nottingham

Watch More Solved Questions in Chapter 4

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Problem 11

Problem 12

Problem 13

Problem 14

Problem 15

Problem 16

Problem 17

Problem 18

Problem 19

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Problem 22

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Problem 24

Problem 25

Problem 26

Problem 27

Problem 28

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Problem 32

Problem 33

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Problem 35

Problem 36

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Problem 38

Problem 39

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Problem 49

Problem 50

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Problem 75

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Problem 81

Problem 82

Video Transcript

all right, we've got a question here where we need to find two numbers whose differences 100 product is a minimum in the way we would solve this, we would say, Well, why minus X must equal to 100. So we would say, Well, why? With 200 minus X, we know the product why the X p X is going to be equal to Y times X. You could write that as 100 minus x times X, and we would get 100 X minus X. All right. Now, if he's took the derivative of P of X said is equal to zero, we could find a critical point 100 minus two x. So we would say Well to eggs equal to 100 that actually equal to 50. I'm sorry. I just realized this should be a positive here. That would be a positive here. Then that would make that a positive that make that positive, and this would make this a negative. So therefore you're why would then be equal to 100 plus negative 50. Just 50? These will be your two values or when you could get 100 has the difference. 15 minus negative. 50 And also get a minimum. Um, product. All right. Well, I hope that clarifies the question. And thank you so much for watching.

Mutahar M.

The University of Texas at Arlington

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Calculus 1 / AB

Calculus 2 / BC

Calculus: Early Transcendentals

Chapter 4

Applications of Differentiation

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Optimization Problems