tan(arcsin(9x+0.5)
simplify
a vector field A= rr^3+z 4z exits in the region between two concentric cylindrical surfaces defined by r=2 and r=, with both cylin...
4x+7y=8
Which one of the numbers does not belong in the following series?
2 - 3 - 6 - 7 - 8 - 14 - 15 - 30
expand and simplify (x-1)(x+2)(x-5)
y= $x^{2}$ -5
e^(-1/2) - e^(-1/4)
(c–1)(c+1)