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TS EAMCET · Maths · Hyperbola

If Pθ=x1,352,0<θ<π2 is a point on the hyperbola x225-y29=1, where θ is the parameter in its parametric form, then 2x1+9sin2θ=

  1. A 8
  2. B 10
  3. C 20
  4. D 34
Verified Solution

Answer & Solution

Correct Answer

(C) 20

Step-by-step Solution

Detailed explanation

x225-y29=1 is the given hyperbola. Any point on the hyperbola is given by 5secθ,3tanθ Given point on the parabola is Pθ=x1,352,0<θ<π2 i.e. tanθ=52, secθ=32 i.e. x1=152 So, 2x1+9sin2θ=15+9532=20
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