Chapter 2 - MDC Faculty Home Pages
Chapter 2 - MDC Faculty Home Pages
Chapter 2 - MDC Faculty Home Pages
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89) xy + x = 2; (1, 1)<br />
A) 2 B) - 2 C) 1<br />
2<br />
Find dy/dx by implicit differentiation.<br />
90) xy2 = 4<br />
A) 2x<br />
y<br />
91) y2 - xy + x2 = 7<br />
2x - y<br />
A)<br />
x + 2y<br />
92) x3 + y3 = 8<br />
A) x2<br />
y2<br />
93) y3 + 5xy + 4x3 - 4x = 0<br />
4 + 5y - 12x2<br />
A)<br />
3y2 - 5x<br />
B) - y<br />
2x<br />
B)<br />
2x + y<br />
x - 2y<br />
B) - y2<br />
x2<br />
4 - 5y - 12x2<br />
B)<br />
3y2 - 5x<br />
26<br />
C) x<br />
2y<br />
C)<br />
2x + y<br />
x + 2y<br />
C) y2<br />
x2<br />
C)<br />
4 - 5y - 12x2<br />
3y2 + 5x<br />
D) - 1<br />
2<br />
D) - 2y<br />
x<br />
D)<br />
2x - y<br />
x - 2y<br />
D) - x2<br />
y2<br />
D)<br />
4 + 5y - 12x2<br />
3y2 + 5x<br />
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89)<br />
90)<br />
91)<br />
92)<br />
93)