JEE Main 2019 Mathematics question
If the area (in sq. units) of the region {(x, y) : , x + y ≤ 1, x ≥ 0, y ≥ 0} is , then a − b is equal to:
Answer: (B)
Solution
Integrating in y up to : area = .
If the area (in sq. units) of the region {(x, y) : , x + y ≤ 1, x ≥ 0, y ≥ 0} is , then a − b is equal to:
Integrating in y up to : area = .