x^2+3x=18
25b^2-16
sin A = 4
5 , then (3 – tan A) (2 + cos A) =
2. Solve {x + 1} + 2x = 4[x + 1] – 6
1/π integral -π to π of f(x) dx?...why we use multiply of 1/π in this?
4.5 x\sqrt{x}x =0
3x squared -4x
is 87 a prime number
5y+6=3y-15
hii
