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AP EAMCET · Maths · Application of Derivatives

If two curves \(x=y^2, x y=a^3\) cut each other orthogonally at a point, then \(a^2\) is equal to

  1. A \(\frac{1}{3}\)
  2. B \(\frac{1}{2}\)
  3. C 2
  4. D 3
Verified Solution

Answer & Solution

Correct Answer

(B) \(\frac{1}{2}\)

Step-by-step Solution

Detailed explanation

Given, \(x=y^2\) and \(x y=a^3\) Solving, we get \[ x=a^2 \text { and } y=a \] Now, \(y^2=x\)…