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Secant of a Curve y =f(x)

The slope of ...

Question

The slope of the tangent to the curve $y = 3 x^{2} - 5 x + 6$ at $(1, 4)$ is

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Solution

The correct option is C $1$
Given curve is
$y = 3 x^{2} - 5 x + 6 \Rightarrow \frac{d y}{d x} = 6 x - 5$
$∴$ Slope of tangent at
$(1, 4) = 6 \times 1 - 5 = 1$

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