Sugarfoots8131 Sugarfoots8131 16-02-2024 Mathematics contestada What is the indefinite integral of (1)/(sqrt(1+49x²))? A) ∫ (1)/(sqrt(1+49x²)) dxB) ∫ (1)/(7sqrt(1+7x²)) dxC) ∫ (1)/(sqrt(1+7x²)) dxD) ∫ (1)/(7sqrt(1+49x²)) dx