Find 3 irrational numbers between 4 & 5. [2 MARKS]
Concept : 1 mark
Calculation : 1 Mark
4×5=20 isn't a square
Hence 1 number is √20=2√5
Similarly 8√5 isn't a square
so √8√5=√320 is the second number
so 42=16 and 52=25
Hence √19 is the third
Any method can be used,use your calculator to verify