JEE Main 201912 Apr, Morning shiftMathematicsEasyBinomial Theorem and Its Simple Applications131× since 2002The coefficient of x¹⁸ in the product (1 + x) (1 – x)¹⁰ (1 + x + x²)⁹ is :AOption A. 126BOption B. - 84COption C. - 126DOption D. 84CheckSkip · show solution