Same chapter3 marksDifficulty: Medium
Use differentials to find the approximate value of √36.6.
Applications of Derivatives
3 marksDifficulty: Medium
Find the equation of the tangent to the curve y = x2 at the point (2, 4).
Original Khojo Papers practice question — not from a past board paper.
Answer
y = 4x − 4
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
dy/dx = 2x, which is 4 at x = 2, so the tangent is y − 4 = 4(x − 2).
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