Asked by Anonymous

Find the slope m of the tangent to the curve
y = 3/√ x at the point where x = a > 0
Answered by Reiny
y = 2x^(-1/2)
dy/dx = -x^(-3/2)
= -1/(√x)^3

so for x = a , a>0
dy/dx = -1/(√a)^3
Answered by Steve
good math, bad reading. :-(
Answered by Reiny
Oh well, 2 or 3 , close enough.
blame it on "oldsheimers"
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