Finding The Value of N When Nth Term and AP is Given
Finding The Value of N When Nth Term and AP is Given
Finding The Value of N when Nth Term and AP is Given: To find the value of N we will first find the common difference and will then use the formula for the general term.
Example : Which term of the AP : 21, 18, 15,.....is- 81? Also, is any term 0? Give reason for your answer.
Solution : Here, a= 21 and and we have to find n.
as
So the common difference = -3
As
we have
So,
Therefore, the 35th term of the given AP is -81
Next, we want to know if there is any n for which . If such an n is there, then
i.e.,
i.e.,
So, the eighth term is 0.
For an AP the first term is 7, the common difference is 5 and the n | |||
| Right Option : B | |||
| View Explanation | |||
What is the value of 9th term of an AP Series whose 6th term and 12th terms are 32 and 56, respectively? | |||
| Right Option : B | |||
| View Explanation | |||
For an AP the first term is -101 common difference is 14 and | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [10]
It was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thBeing a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
Prisha Gupta
8thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
Barkha Arora
10thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
