Math

Questions and Answers

Why are rational and real powers only defined for strictly positive bases?

Questions and Answers

How do I calculate this quadratic function with given top a, b and c?

Questions and Answers

Which equality belongs to: cos^3 + sin^3?

Questions and Answers

Why is the determinant of the matrix with ab in the diagonal and a = b^n-1(na b) in all other places?

Questions and Answers

When calculating with square matrices, can you also replace the matrix with its determinant?

Questions and Answers

What is the best way to study mathematics?

Questions and Answers

What is the best formula to calculate pi?

Questions and Answers

On my keyboard with numbers 1, 2, 3 and 4 a code of 6 numbers has to be formed to open a door. ...