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WBCHSE Class 12 — Semester 3 Answer Key 2025 The West Bengal Council of Higher Secondary Education (WBCHSE) conducted the Class 12 — Semester 3 Examinations 2025 from 8 September to 22 September 2025 across higher secondary schools. Most major theory papers were held between 10:00 AM and 11:15 AM, while vocational subjects followed a … Read more
WB Board Class 12 Mathematics – Integration (SN Dey) Solutions All solutions verified and handwritten-style explanations prepared by The Math Fellow Explore complete step-by-step solutions of the Integration chapter from the Chhaya Mathematics (SN Dey) book. Each problem is solved carefully — showing every step, formula, and reasoning — just as explained in a live … Read more
SN Dey Integration Solutions | The Math Fellow 3. Using the definition of integration, find \(y\) in terms of \(x\). 3(i) \(\dfrac{dy}{dx}=3x^2+2\) Given \(\dfrac{dy}{dx}=3x^2+2\). Integrate both sides: \[ y=\int(3x^2+2)\,dx = 3\int x^2dx + 2\int dx = 3\cdot\frac{x^3}{3} + 2x + C = x^3 + 2x + C. \] \(\boxed{y=x^3+2x+C}\) 3(ii) \(dy=(ax+b)dx\) Integrate: \[ y=\int (ax+b)dx … Read more
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Chhaya Mathematics Class 12 – SN Dey Vector Triple Product Solutions If you’re studying Class 12 Mathematics under the WB Board and using the SN Dey book, this post is for you. Here you’ll find complete step-by-step solutions to all questions on the Vector Triple Product — explained clearly, with proper vector formulas and reasoning … Read more
D(caps) ownload WBCHSE Class 11(H.S.) sample question paper for the year 2023. The sample question papers will help you a lot to understand the question pattern and marks distribution. You can download sample question paper of any subject or any stream Science, Commerce or Arts just by clicking the links given below. You can download … Read more
A(caps) re you looking for English Notes for class 11 of West Bengal Board? Here this is complete notes of an important chapter of English B. Download the notes of the chapter ‘Jimmy Valentine’ by O. Henry. It has been prepared to help you in your exam preparation. It has questions and answers of 1 Mark and 5 … Read more
A(caps)re you looking for English Notes for class 11 of West Bengal Board? Here this is complete notes of an important chapter of English B. Download the notes of the chapter ‘Macbeth’ by William Shakespeare. It has been prepared to help you in your exam preparation. It has questions and answers of 1 Mark and 5 Marks. Download … Read more
A(caps)re you looking for English Notes for class 11 of West Bengal Board? Here this is complete notes of an important chapter of English B. Download the notes of the chapter ‘Macbeth’ by William Shakespeare. It has been prepared to help you in your exam preparation. It has questions and answers of 1 Mark and 5 Marks. Download … Read more
A(caps)re you looking for English Notes for class 11 of West Bengal Board? Here this is complete notes of an important chapter of English B. Download the notes of the chapter ‘Leela’s Friend’ by R. K. Narayan. It has been prepared to help you in your exam preparation. It has questions and answers of 1 Mark and … Read more