RD Sharma Class 9 Solutions Chapter 3 Exercise 3.1 (Updated for 2021-22)

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RD Sharma Class 9 Solutions Chapter 3 Exercise 3.1

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Question 1.
Simplify each of the following:

Solution:

Question 2.
Simplify the following expressions:
(i)  (4 + 7–√) (3 + 2–√)
(ii) (3 + 3–√ )(5- 2–√)
(iii) (5–√ -2)(3–√ – 5–√)
Solution:

Question 3.
Simplify the following expressions:
(i)  (11 + 11−−√) (11 – 11−−√)
(ii) (5 + 7–√ ) (5 – 7–√ )
(iii) (8–√ – 2–√) (8–√+ 2–√)
Solution:

Question 4.
Simplify the following expressions:
(i) (3–√+7–√)²
(ii) (5–√ – 3–√ )²
(iii) (25–√ + 3 2–√)²
Solution:

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