Question

EXERCISE 1.5
1. Classify the following numbers as rational or irrational:
(3 + 23) - 23 cm
25
777
9 2-√3
(v) 21
ww
(iv)
2. Simplify each of the following expressions:
(3+ 15)(2+ 2)
@ (3+√3)(3-√3)​

Answer 1

Answer:

1.rational.

2.rational.

3.rational.

4.irrational.

5.irrational.

6.rational.

2.18×4=72

3²-(√3)²

9-3

6.

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