Practice30 Create account

Rationalise the denominator of $\frac{6}{5 - 2}$ .
Which is the correct result?

Class 9Rational and Irrational NumbersNumber Systems

A $2 (5 + 2)$
B $\frac{6 ( 5 + 2 )}{3}$
C $2 (5 - 2)$
D $\frac{5 + 2}{3}$

Step-by-Step Solution

Multiply by

(5 + 2)

: denominator = 5 - 2 = 3, numerator =

6 (5 + 2)

. So result =

\frac{6 ( 5 + 2 )}{3} = 2 (5 + 2)

.

Answer: A)

2 (5 + 2)

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Rational and Irrational Numbers practice questions

More Class 9 Rational and Irrational Numbers practice

Aman is asked to write down any rational number that lies between √2 and √3. Using √2 is…If x = 7 + 4√3, find the value of x + 1/x. (Hint: rationalise 1/x first.)A student claims √2 is rational and writes √2 = a/b in lowest terms. Squaring gives 2 =…On a spiral construction (the 'square root spiral'), each new right triangle adds a…Which of the following is a rational number?