Equation of the line normal to function f (x) = (x − 8)2/3 + 1 at P (0, 5) is
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$\hspace{3cm}m_1m_2=-1\\
\hspace{3.3cm}m_2=-\frac{1}{m_1}=\frac{-1}{-1/3}=3 \\
\text{The equation of line, from equation (i) is} \\
\hspace{3cm}(y-5)=3(x-0)\\
\hspace{4cm}y=3x+5$Keep practicing — related questions
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