Mathematics - Application of Derivative Question with Solution | TestHub

MathematicsApplication of DerivativeTangents & NormalsMedium2 minQB

MathematicsMediummultiple choice

The tangent to $x^{2} + y^{2} = 4$ at $(1, 3)$ cuts intercepts $p, q$ on the $x, y$ axes. Which are true?

Answer:

A, C

Solution:

The tangent is $x + 3 y = 4$ , or $x /4 + y / (4/ 3) = 1$ . Thus $p = 4, q = 4/ 3$ , and $p - 3 q = 0$ .

Stream:JEESubject:MathematicsTopic:Application of DerivativeSubtopic:Tangents & Normals

⏱ 2mℹ️ Source: QB

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