What is the value of ∫01(ex−x)(ex+x)dx\displaystyle\int_0^1(e^x-x)(e^x+x)\dd x∫01(ex−x)(ex+x)dx? A3e2−56\dfrac{3e^2-5}663e2−5Be2+36\dfrac{e^2+3}66e2+3C3e2−26\dfrac{3e^2-2}663e2−2D2e2−36\dfrac{2e^2-3}662e2−3E3e2+26\dfrac{3e^2+2}663e2+2