Q) If 𝑦=log[tan(𝜋/4+𝑥/2)], then 𝑑𝑦/𝑑𝑥 is :(a) secx(b) cosec𝑥(c) tanx

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 sin^(−1) 𝑥=𝑦,then 𝑑𝑦/𝑑𝑥 is #maths #continuityanddifferentiabilityclass12 #class12 #cbse

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Q) If f(x)={((log⁡(1+ax)+log⁡(1−bx))/x, for x≠0 k, for x=0) is continuous at 𝑥=0, then the value

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