Q) Determine a and b if f(x) is a continuous function, where 𝑓(𝑥)={(2, ≤3 𝑎𝑥+𝑏, 3=𝑥=5 5, 𝑥≥5)

Q) If y=tan^(−1) ((1−cosx)/sinx), then dy/dx is equal to #continuity_and_differentiability #maths

Q) If e^(−𝑥)+e^(−y)=2, then dy/dx isCBSE Class 12 Maths PYQ 2026 | Continuity of