Find the indefinite integral of (the 13th root of x plus the 14th root of x) dx. What is the value of this integral?A) 2x^(14/13) + 2x^(15/14) + CB) x^(14/13) + x^(15/14) + CC) 2x^(13/14) + 2x^(14/15) + CD) x^(13/14) + x^(14/15) + C