Linear Algebra Examples

Find the Determinant [[ natural log of x,x natural log of x,x^2 natural log of x,x^3 natural log of x],[1/x,1+ natural log of x,2x natural log of x+x,x^2+3x^2 natural log of x],[-x^-2,1/x,3+2 natural log of x,6x natural log of x+5x],[2x^-3,-x^-2,2/x,11+6 natural log of x]]
I am unable to solve this problem.