IF √x + √y =√a where a is a positive constant , find dy/dx
F.4 DIFFERENTIATION
2011-05-30 8:23 am
回答 (2)
2011-05-30 8:33 am
✔ 最佳答案
√x + √y = a1/(2√x) + 1/(2√y)(dy/dx) = 0
dy/dx
= -√y/√x
= 1 - a/√x
2011-05-31 6:05 am
√x + √y =√a
Differentiate both sides with respect to x
1/(2√x)+[1/(2√y)]*(dy/dx)=0
dy/dx=√(y/x)
Differentiate both sides with respect to x
1/(2√x)+[1/(2√y)]*(dy/dx)=0
dy/dx=√(y/x)
參考: me
收錄日期: 2021-04-26 14:43:45
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