Class 10 Maths Chapter 1 Exercise 1.2 Question 1 | Real Numbers | NCERT Class 10 Maths Solution
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Class 10 Maths Chapter 1 Exercise 1.2 Question 1 | Real Numbers | NCERT Class 10 Maths Solution
11 просмотров · 8 дн. назад
The Maths Paper
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11 просмотров · 8 дн. назад
Class 10 Maths Chapter 1 Exercise 1.2 Question 1 | Real Numbers | NCERT Solutions
In this video, we have solved and proved Question 1 of Exercise 1.2 from Chapter 1 (Real Numbers) for Class 10 NCERT Maths (CBSE & State Boards).
📖 Topic Covered:
• Class 10 Maths Chapter 1 Real Numbers
• Exercise 1.2 Question 1 (Prove that √5 is irrational)
• Method of Contradiction explained step-by-step
• Most Important Question for CBSE Class 10 Board Exams
📌 Question 1:
Prove that √5 is irrational.
Concept Used:
We assume on the contrary that √5 is rational. Then √5 = a/b (where a and b are co-prime integers and b ≠ 0). By squaring both sides and using Theorem (if p divides a², then p divides a), we arrive at a contradiction.
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