Question
Asked Oct 27, 2019

If x3 + y3 = 9 and dx/dt = -3, then what is dy/dt when x = 1 and y = 2?

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Step 1

Given,

9
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9

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Step 2

Differentiating with res...

블다가들이
)))
-(9)
dt
d
d
(6)
d
(x)+
(1
dt
dt
(x")=nx
dx
dy
+3y2
dt
3r2
d
dt
&
(c) 0,ceR
dx
dy
+y2
=0
dt
dt
dy
dt
dt
dy
dt
dt
dy
dt
help_outline

Image Transcriptionclose

블다가들이 ))) -(9) dt d d (6) d (x)+ (1 dt dt (x")=nx dx dy +3y2 dt 3r2 d dt & (c) 0,ceR dx dy +y2 =0 dt dt dy dt dt dy dt dt dy dt

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Tagged in

Math

Calculus

Derivative

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