6b^2/3b
nth term of 1+3+6+10+........... is
$ - 3 y^{2} - 10 y - 3$
$ - \left(3 y + 1\right) \left(y + 3\right)$
15+1/2+3+3+3+8
450÷30²-12²=?²
−25 · −3 + 15 · −5
0.2-0.06 subtract
4÷5
find charateristic polynomial of the matrix (0 1 0 0 0) (1 0 1 0 1) (0 1 0 1 0) (0 0 1 0 1) (0 1 0 1 0)