Q. Find the slope of the tangent line to the graph of x=4y3−9 at (−5,1).
Find Derivative of x: First, we need to find the derivative of x with respect to y to get the slope of the tangent line. Since x=4y3−9, differentiate both sides with respect to y.dydx=12y2
Substitute y=1: Next, substitute y=1 into the derivative to find the slope at the specific point.Slope = 12×(1)2=12
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