Podcast Beta
Questions and Answers
The arithmetic mean between roots of a quadratic equation is 8 and the geometric mean between them is 5. The equation is?
Solution space of the inequalities $2x + y < 10$ and $x-y < 5$:
If $A = \begin{pmatrix} 1 & -1 \ 1 & 1 \end{pmatrix}$, then $A.A$ is:
Find the Inverse of matrix $\begin{pmatrix} a & -b \ -c & d \end{pmatrix}$:
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Two equal sums were lent out. If one sum was lent at 6% per annum and the other at 7% per annum, both simple interests being equal, then each sum was:
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