Скачать или смотреть Sum of First n Terms of an AP - Arithmetic Progressions | Class 10 Maths Chapter 5 | CBSE 2025-26

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✅ In this video,

✔️ Class: 10th
✔️ Subject: Maths
✔️ Chapter: Arithmetic Progressions (Chapter 5)
✔️ Topic Name: Sum of First n Terms of an AP
✔️ Topics Covered In This Video (By Kishore Sir): In this captivating video, sir guides you through the fascinating realm of Class 10th Maths, focusing on the topic 'Sum of First n Terms of an AP' within Chapter 5 - "Arithmetic Progressions". Dive deep into the captivating world of maths as we explore key concepts essential for success in your studies. Join us as we simplify complex topics and make learning fun and engaging for all class 10th students.
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00:00 Introduction: Arithmetic Progressions - Sum of First n Terms of an AP
01:00 Theorem
09:20 Questions From Other Sources: Que. 1 Find the sum of 20 terms of the A.P. 1, 4, 7, 10...
13:43 Que. 2 If the nth term of an A.P. is (2n + 1), find the sum of first n terms of the A.P.
16:34 Que. 3 Find the sum of first 30 terms of an A.P. whose second
term is 2 and seventh term is 22.
22:35 Que. 4 Find the sum of first 20 terms of an A.P., in which 3rd term is 7 and 7th term is two more than thrice of its 3rd term.
27:47 Que. 5 Find the sum of first n natural numbers.
29:42 Que. 6 The sum of first six terms of an arithmetic progression is 42. The ratio of its 10th term to its 30th term is 1:3. Calculate the first and the thirteenth term of the A.P.
34:19 Que. 7 Find the sum of all three digit natural numbers, which are divisible by 7.
41:08 Website Overview
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