secθ-cosθ=(cotθ+cosθ)(tanθ-sinθ)
A certain number of cars (EV cars + fuel cars) are sold in a shop in four different months namely March, April, May and June. The ...
Find the value of x when:
2x + y = 13 and x − y = 2
4y=x $^{2}$
x^2-24x+108=0
y $^{-4}$ = 1/81
x+y=6 and x=2y
simplify $$\frac{x-2x^2 +3}{x^3-1}$$
92931900184
1378177407
45644962546
7151756805
16 * 2 / 8 + 12 * 5 - 48 / 6 * 3