find the derivative dy/dx
a) y=(x+1)/(x-1)
y'=1(x-1)^-1
...??
b) y=3/(x+2)
y'=3(x+2)^-1
...?
c) y=sqrt(3x+2)
y'=(3x+2)^(0.5)
..?
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find the derivative dy/dx
a) y=(x+1)/(x-1)
y'=1(x-1)^-1
...??
b) y=3/(x+2)
y'=3(x+2)^-1
...?
c) y=sqrt(3x+2)
y'=(3x+2)^(0.5)
..?
a)quotient ruleQuote:
Originally Posted by skeske1234
b)quotient rule
c)chain rule
...Quote:
Originally Posted by skeske1234find the derivative dy/dx
a) y=(x+1)/(x-1)
y'=1(x-1)^-1
...??
use the quotient rule
b) y=3/(x+2)
y'=3(x+2)^-1
...?
correction ..., it's not y' yet ... you still need to use the power rule and take the derivative.
c) y=sqrt(3x+2)
y'=(3x+2)^(0.5)
...?
no ..., it's not y' yet ... use the chain rule.