Determine whether the functions $$\style{font-size:18pt}{y_1…

Determine whether the functiоns $$style{fоnt-size:18pt}{y_1=x e^{2x}}$$ аnd $$style{fоnt-size:18pt}{y_2=cos(x^2)}$$ аre lineаrly independent or linearly dependent, and carefully justify your answer.