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```
DOUBT OF SEQUENCE AND SERIES.... a n =2 n -5/2 ;FIND : t 8, t 12

```
4 years ago

Muskaan
8 Points
```							An and tn means the same thing T8 = 2^8-5/2=507/2,T12= 2^12 - 5/2= 16379/2Therefore , answer is 507/2, 16379/2
```
4 years ago
VIKRAM ENIMIREDDY
53 Points
```							an=2^n -5/2a8=2^8-5/2   =(2^9-5)/2   =(512-5)/21. a8 =507/2a12=2^12-5/2    =(2^13-5)/2   =(8192-5)/2     2. a12=8187/2now i think you can satisfied with this format.
```
4 years ago
Shubham Pitroda
41 Points
```							No...VIKRAM ENIMIREDDY.....tn and an is different form....tn is nth term and by an we can find the first term and second term.......Solution:first put 1 and 2 in an simultaneously where a1 is first term and a2 is second term... By this we can find the , difference also.....by this we can find t8 and t12 also.......This is the perfect solution........
```
4 years ago
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• 101 Video Lectures
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• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions