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Most Important Selected Qs for JEE AdvancedMathematicsCircle

If a circle of radius 2 unit touches the y -axis at the origin, ' O ' and intersects the lines y=(2- 3 ) x and y=-(2+ 3 ) x in the I and IV quadrants at A and B respectively, then area of A O B (in square units) is:

Correct answer

2

Step-by-step solution

Ar .( A O B)= Ar .( A O C)+ Ar ( C O B)= 1 2 2 2 150^ + 1 2 2 2 30^ =2

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