Home
Class 12
MATHS
(1.2)/(1!)+(2.3)/(2!)+(3.4)/(3!)+....=...

`(1.2)/(1!)+(2.3)/(2!)+(3.4)/(3!)+....=`

A

e

B

2e

C

3e

D

`e+2`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • EXPONENTIAL SERIES & LOGARITHMIC SERIES (APPENDIX-1)

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1B|70 Videos

  • EXPONENTIAL SERIES & LOGARITHMIC SERIES (APPENDIX-1)

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 SET - 1|6 Videos

  • EXPONENTIAL SERIES & LOGARITHMIC SERIES (APPENDIX-1)

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 SET - 4|5 Videos

  • ELLIPSE

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 SET - 2|1 Videos

  • FUNCTIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS)|7 Videos

Similar Questions

Explore conceptually related problems

1+(2)/(1!)+(3)/(2!)+(4)/(3!)+....=

(1^(2).2)/(1!)+(2^(2).3)/(2!)+(3^(2).4)/(3!)+....=

If 1^(2)+(2^(2))/(2!)+(3^(2))/(3!)+(4^(2))/(4!)+....=ae,(1^(2).2)/(1!)+(2^(2).3)/(2!)+(3^(2).4)/(3!)+...=be,(1)/(2!)+(1+2)/(3!)+(1+2+3)/(4!)+...=ce then the descending order of a,b,c is

1.2+(2.3)/(1!)x+(3.4)/(2!)x^(2)+....=

(1-(2)/(1!)+(4)/(2!)-(8)/(3!)+....)(1+(4)/(1!)+(16)/(2!)+(64)/(3!)+....)=

(1)/(2!)+(1+2)/(3!)+(1+2+3)/(4!)+....

(1)/(1.2)-(1)/(2.3)+(1)/(3.4)-(1)/(4.5)+....=