How to revise a semester of engineering maths in three weeks
Three weeks is enough for a semester paper, but only if you stop reading and start writing. Here is the order that works.
Tag: B.Tech
Eigenvalues and eigenvectors: not losing marks in the determinant step
The method is usually understood. The marks go missing in the arithmetic before it — expanding a 3×3 determinant under exam pressure.
Partial differentiation and the chain rule: the setup mistake that costs the whole question
The differentiation itself is rarely wrong. What goes wrong is choosing the wrong variables to hold constant before you start.