C-02-Q083mediumsingle_mcqWhich of the following is a proper fraction?ax2+3x+2x+2\dfrac{x^2 + 3x + 2}{x + 2}x+2x2+3x+2bx3+1x−1\dfrac{x^3 + 1}{x - 1}x−1x3+1cx+2(x+1)(x−3)\dfrac{x + 2}{(x + 1)(x - 3)}(x+1)(x−3)x+2dx4x2\dfrac{x^4}{x^2}x2x4