Millionaire Mode

Director circle and auxiliary circle of a hyperbola - class-XI

Question 1 of 40

For the hyperbola $\dfrac{x^2}{64}-\dfrac{y^2}{36}=1$, the equation of director circle is 

  1. $x^2+y^2=100$
  2. $2x^2+2y^2=100$
  3. $x^2+y^2=28$
  4. $x^2-y^2=100$

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000