Which expressions are equivalent to the expression In(e²)

Which is the focus of a parabola with equation y2=4x

The product of sin 30 degrees and sin 60 degrees is same as the product of

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%