KVPY2017MathematicsArea Under Curves
The parabola y²=4 x+1 divides the disc x²+y² 1 into two regions with areas A₁ and A ₂ . Then | A ₁- A ₂ | equals
Options
- A1 3
- B2 3
- C4
- D3
Correct answer
B. 2 3
Step-by-step solution
A₁=2 _ -1 / 4 ⁰ 4 x+1 d x+2 ₀¹ 1-x² d x Solve A₁= 1 3 + 2 array l A₂= (1)²-A₁= 2 - 1 3 |A₁-A₂ |= 2 3 array