Class 9 Exercise 1.1

Exercise Overview

This exercise covers properties of real numbers including rational, irrational, and their placement on the number line.

Formulas Used

  1. $$a^2 – b^2 = (a – b)(a + b)$$
  2. $$\sqrt{a \cdot b} = \sqrt{a} \cdot \sqrt{b}$$

NOTES

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