Solving 1^∞ Form in Limits: 2 Quick Methods for JEE | JEE Math #jee
Siyesh IIT-JEE
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Solving 1^∞ Form in Limits: 2 Quick Methods for JEE | JEE Math #jee
136 просмотров · 9 дн. назад
Siyesh IIT-JEE
781 подписчик
136 просмотров · 9 дн. назад
In this video, we solve a classic and important Limits problem involving the indeterminate form 1^∞:
lim (x → 0+) (1 + sin 2x)^(√cot x)
We explore two clear approaches to tackle this problem:
1. Standard Exponential Form & L'Hôpital's Rule
2. Standard Trigonometric Limit Transformations
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This concept is essential for students preparing for JEE Main, JEE Advanced, and other engineering entrance exams.
00:00 - Introduction & Concept Overview
00:28 - Identifying the 1^∞ Indeterminate Form
01:05 - Behavior & Graph Analysis of cot(x) as x → 0+
02:37 - The Standard Formula: e^lim [g(x) · (f(x) - 1)]
03:31 - Setting up the Problem into 0/0 Form
06:12 - Method 1: Solving via L'Hôpital's Rule
07:38 - Method 2: Solving via Standard Trigonometric Limits
09:47 - Final Answer & Summary
📌 Watch the full Limits Playlist for more conceptual questions and PYQs
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