Tangents and Normals (VCE SSCE Mathematical Methods): Quizzes

Line touching curve at one point

$y - y_1 = f'(x_1)(x - x_1)$

Line perpendicular to the tangent

$-1$

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Gradient of the tangent

Function continuous, $f'(x) o infty$

Sharp point, $f'(x) o pminfty$

Flip and flip the sign

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