Sum of 10 terms of an arithmetic sequence is 230 and sum of 16 terms of an arithmetic sequence is 560 find the first term and common difference and algebric for?
Answers
Answered by
19
a+9d=230........(1)
a+16d=560.......(2)
here you have got two equation and you can solve this equation by any of the method you have learnt in chapter 3 that is substitution elimination of cross multiply method you can do any and you will get your answer
a+16d=560.......(2)
here you have got two equation and you can solve this equation by any of the method you have learnt in chapter 3 that is substitution elimination of cross multiply method you can do any and you will get your answer
Answered by
5
Answer:
Step-by-step explanation: this is not over
I'll send some more attached files
Attachments:
Similar questions