Relations and Functions - Most Important Questions (Que.21 to 25) | Class 12 Maths Ch 1 | CBSE 2024

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✅ In this video,

✔️ Class: 12th
✔️ Subject: Maths
✔️ Chapter: Relations and Functions (Chapter 1)
✔️ Topic Name: Most Important Questions (Que.21 to 25)
✔️ Topics Covered In This Video (By Zeeshan Sir): Unlock the secrets to mastering Class 12 Maths with our latest video on Most Important Questions (Que.21 to 25) within Chapter 1 - Relations and Functions. Dive deep into the core concepts, formulas, and problem-solving techniques vital for success in your math journey. Elevate your understanding and ace your exams with comprehensive explanations and practical examples provided by Zeeshan Sir.
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00:00 Introduction - Relations and Functions - Most Important Questions
03:04 Most Important Questions - Que. 21 If f : W→ W is defined as f(x) = x − 1, if x is odd and f(x) = x + 1, if x is even. Show that f is invertible. Find the inverse of f, where W is the set of all whole numbers.
35:36 Que. 22 If f, g: R→ R are two functions defined as
f(x) = Ixl+x · + x and g(x) = |x| − x, V x E R. Then, find fog and gof.)
50:31 Que. 23 If R is a relation defined on the set of natural numbers N as follows
01:02:00 Que. 24 If A = {1, 2, 3,..,9} and R is the relation in AXA defined by (a, b) R(c, d), if a + d = b + c for (a, b), (c, d) in A X A. Prove that R is an equivalence relation.
01:19:24 Que. 25 If the function R→ R is given by f(x) = x2 + 2 and g: R→ R is given by g(x) = x/x-1, then find fog and gof, and hence find fog (2) and gof (-3).
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Видео Relations and Functions - Most Important Questions (Que.21 to 25) | Class 12 Maths Ch 1 | CBSE 2024 канала Magnet Brains