adlytle117 adlytle117 18-04-2024 Mathematics contestada Use geometry to calculate each of the following integrals exactly. a) ∫_0⁹ 1dx= b) ∫_0⁹ xdx= c) ∫_-3³ √(9-x²)dx=9π/2 d) ∫_0⁹ (x+1)dx=