Define a rational number and an irrational number, giving one example of each.
Rational and Irrational Numbers
Original Khojo Papers practice question — not from a past board paper.
6√2
No citable source has been recorded for this record. Treat it as practice material, not as fact.
√50 = 5√2, √18 = 3√2 and √8 = 2√2, so the expression is (5 + 3 − 2)√2 = 6√2.
From the same topic and chapter, at a similar level.
Define a rational number and an irrational number, giving one example of each.
Rational and Irrational Numbers
Rationalise the denominator: 1/(√5 − 2).
Rational and Irrational Numbers
Which of the following is an irrational number?
Rational and Irrational Numbers
Rationalise the denominator of 1/(√5 + √3).
Rational and Irrational Numbers
Rationalise the denominator of 1/(√3 − 1).
Rational and Irrational Numbers
Express the recurring decimal 0.333... as a fraction in its lowest terms.
Rational and Irrational Numbers