Difference between revisions of "009A Sample Final 1, Problem 8"
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| − | + | <span class="exam">Let | |
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| − | + | ::<math>y=x^3.</math> | |
| − | + | <span class="exam">(a) Find the differential <math style="vertical-align: -4px">dy</math> of <math style="vertical-align: -4px">y=x^3</math> at <math style="vertical-align: 0px">x=2</math>. | |
| − | + | <span class="exam">(b) Use differentials to find an approximate value for <math style="vertical-align: -2px">1.9^3</math>. | |
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| − | + | <hr> | |
| − | + | [[009A Sample Final 1, Problem 8 Solution|'''<u>Solution</u>''']] | |
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| − | + | [[009A Sample Final 1, Problem 8 Detailed Solution|'''<u>Detailed Solution</u>''']] | |
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[[009A_Sample_Final_1|'''<u>Return to Sample Exam</u>''']] | [[009A_Sample_Final_1|'''<u>Return to Sample Exam</u>''']] | ||
Latest revision as of 15:57, 2 December 2017
Let
(a) Find the differential of at .
(b) Use differentials to find an approximate value for .
