RD Sharma Class 9 Solutions Chapter 3 Rationalisation
RD Sharma Class 9 Chapter 3 Rationalisation Ex 3.1
Question 1.
Simplify each of the following:
Solution:
Question 2.
Simplify the following expressions:
(i) (4 +
(ii) (3 +
(iii) (
Solution:
Question 3.
Simplify the following expressions:
(i) (11 +
(ii) (5 +
(iii) (
Solution:
Question 4.
Simplify the following expressions:
(i) (
(ii) (
(iii) (2
Solution:
RD Sharma Solutions Class 9 Chapter 3 Rationalisation Ex 3.2
Question 1.
Rationalise the denominators of each of the following(i – vii):
Solution:
Question 2.
Find the value to three places of decimals of each of the following. It is given that
Solution:
Question 3.
Express each one of the following with rational denominator:
Solution:
Question 4.
Rationales the denominator and simplify:
Solution:
Question 5.
Simplify:
Solution:
Question 6.
In each of the following determine rational numbers a and b:
Solution:
Question 7.
Solution:
Question 8.
Find the values of each of the following correct to three places of decimals, it being given that
Solution:
Question 9.
Simplify:
Solution:
Question 10.
Solution:
Question 11.
Solution:
Question 12.
Solution:
Class 9 RD Sharma Solutions Chapter 3 Rationalisation VSAQS
Question 1.
Write the value of (2 +
Solution:
(2+
{∵ (a + b) (a – b) = a2 – b2}
= 4-3=1
Question 2.
Write the reciprocal of 5 +
Solution:
Question 3.
Write the rationalisation factor of 7 – 3
Solution:
Rationalising factor of 7 – 3
{∵ (
Question 4.
Solution:
Question 5.
If x =
Solution:
Question 6.
If a =
Solution:
Question 7.
If x = 2 +
Solution:
Question 8.
Write the rationalisation factor of
Solution:
Rationalisation factor of
(
Question 9.
Simplify :
Solution:
Question 10.
Simplify :
Solution:
Question 11.
If x = 3 + 2
Solution:
Rationalisation Problems With Solutions PDF RD Sharma Class 9 Solutions MCQS
Mark the correct alternative in each of the following:
Question 1.
Solution:
Question 2.
Solution:
Question 3.
Solution:
Question 4.
The rationalisation factor of 2 +
(a) 2 –
(b)
(c)
(d)
Solution:
Question 5.
Solution:
Question 6.
Solution:
Question 7.
Solution:
Question 8.
Solution:
Question 9.
Solution:
Question 10.
Solution:
Question 11.
Solution:
Question 12.
Solution:
Question 13.
Solution:
Question 14.
Solution:
Question 15.
Solution:
Question 16.
Solution:
Question 17.
Solution:
Question 18.
Solution:
Question 19.
Solution:
Question 20.
Solution:
Question 21.
Solution:
Question 22.
Solution:
Question 23.
Solution:
Question 24.
Solution:
Question 25.
Solution: