![The first and the last terms of an AP are 5 and 45 respectively. If the sum of all its terms is 400 , find the common difference and the number of terms . The first and the last terms of an AP are 5 and 45 respectively. If the sum of all its terms is 400 , find the common difference and the number of terms .](https://haygot.s3.amazonaws.com/questions/1870617_1544265_ans_ea6f9c020a8e420b882b456a9c683976.jpg)
The first and the last terms of an AP are 5 and 45 respectively. If the sum of all its terms is 400 , find the common difference and the number of terms .
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Question Video: Finding the Order and Value of the Last Positive Term in a Given Arithmetic Sequence | Nagwa
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Sum of Arithmetic Sequence Formula & Examples | What is Arithmetic Sequence? - Video & Lesson Transcript | Study.com
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Question Video: Finding the Number of Terms in a Given Arithmetic Sequence given the Sum of All Terms and the Values of Its First and Last Terms | Nagwa
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