-sin(one /x)/(x^ two *x^ two) - two *cos(one /x)/x^ three = zero
minus sinus of (1 divide by x) divide by (x squared multiply by x squared ) minus 2 multiply by co sinus of e of (1 divide by x) divide by x cubed equally 0
minus sinus of (one divide by x) divide by (x to the power of two multiply by x to the power of two) minus two multiply by co sinus of e of (one divide by x) divide by x to the power of three equally zero
-sin(1/x)/(x2*x2) - 2*cos(1/x)/x3 = 0
-sin1/x/x2*x2 - 2*cos1/x/x3 = 0
-sin(1/x)/(x²*x²) - 2*cos(1/x)/x³ = 0
-sin(1/x)/(x to the power of 2*x to the power of 2) - 2*cos(1/x)/x to the power of 3 = 0
-sin(1/x)/(x^2x^2) - 2cos(1/x)/x^3 = 0
-sin(1/x)/(x2x2) - 2cos(1/x)/x3 = 0
-sin1/x/x2x2 - 2cos1/x/x3 = 0
-sin1/x/x^2x^2 - 2cos1/x/x^3 = 0
-sin(1 divide by x) divide by (x^2*x^2) - 2*cos(1 divide by x) divide by x^3 = 0