Mathematics · Hyperbola
The equation of the normal at 'θ' on the hyperbola x2a2 - y2b2 = 1 is:
- 1axsec(θ) - bytan(θ) = a2 - b2
- 2axsec(θ) + bytan(θ) = a2 + b2✓
- 3axsin(θ) - bycos(θ) = a2 + b2
- 4xa sec(θ) - yb tan(θ) = 1
Correct answer
axsec(θ) + bytan(θ) = a2 + b2
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