Y = ln (x ^ 2) + (LNX) ^ 2 for second derivative

Y = ln (x ^ 2) + (LNX) ^ 2 for second derivative

y‘=1/x² ×(x^2)' +2lnx ×(lnx)'
=2/x +2lnx /x
y''=-2/x^2 +(2×1/x ×x-2lnx)/x^2
=-2lnx/x^2