JEE Previous Year QuestionThe integral ∫12ex⋅xx(2+logex)dx equals:Topic: JEE PYQAnswer: B. Full step-by-step solution below.Ae(2e−1)Be(4e−1)C4e2−1De(4e+1)Correct answer: BSolution(b)I=∫12exxx(2+logex)dxI=∫12exxx(1+(1+logex))dx=∫12ex(xx+xx(1+logex))dx=[exxx]12,{∫ex(f(x)+f’(x))dx=exf(x)+c}=e2×4−e×1=4e2−e=e(4e−1)More Definite Integration PYQsLet g(x)=∫0xf(t)dt, where f is continuous function in [0,3] such that 31≤f(t)≤1 for all…If ∫0K2+18x2dx=24π, then the value of K is∫041+x1dx=Let a differentiable function f satisfy f(x)+∫3xtf(t)dt=x+1, x≥3. Then 12f(8) is equal toThe value of the integral ∫−12loge(x+x2+1)dx is