Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Questions  >>  EAMCET  >>  Mathematics
Answer
Comment
Share
Q)

If $\alpha=\large\frac{5}{2 ! 3}+\frac{5.7}{3 ! 3^2}+ \frac{5.7.9}{4 ! 3^3}+........,$ then $ \alpha^2+4 \alpha=$

\[\begin {array} {1 1} (1)\;21 & \quad (2)\;23 \\ (3)\;25 & \quad (4)\;27 \end {array}\]

1 Answer

Home Ask Tuition Questions
Your payment for is successful.
Continue
...