Math Chapter Wise Exponential And Logarithmic Series English MCQ PGT 2010 Q.Expansion by Maclaurin's theorem of ex cos x will be A3 2 4 2 5 2 2 2 1.... 3! 4! 5! x x x x − − + + + + B3 2 4 2 5 2 2 2 1.... 3! 4! 5! x x x x + − − − + C3 2 4 2 5 2 2 2 1.... 3! 4! 5! x x x x − − − − − + D3 2 4 2 5 2 2 2 1.... 3! 4! 5! x x x x + + + + + Show answer Correct answer: 3 2 4 2 5 2 2 2 1.... 3! 4! 5! x x x x + − − − +