RD Sharma Class 9 Solutions Chapter 3 Rationalisation VSAQS

In this chapter, we provide RD Sharma Solutions for Chapter 3 Rationalisation VSAQS for English medium students, Which will very helpful for every student in their exams. Students can download the latest RD Sharma Solutions for Chapter 3 Rationalisation VSAQS Maths pdf, free RD Sharma Solutions for Chapter 3 Rationalisation VSAQS Maths book pdf download. Now you will get step by step solution to each question.

RD Sharma Solutions for Class 9 Chapter 3 Rationalisation VSAQS Download PDF

Question 1.
Write the value of (2 + 3–√ ) (2 – 3–√).
Solution:
(2+ 3–√ )(2- 3–√ ) = (2)²-(3–√ )²
{∵ (a + b) (a – b) = a² – b²}
= 4-3=1

Question 2.
Write the reciprocal of 5 + 2–√.
Solution:

Question 3.
Write the rationalisation factor of 7 – 35–√ .
Solution:
Rationalising factor of 7 – 35–√ is 7 + 35–√
{∵ (a−−√ + b√  ) (a−−√ – b√) = a-b}

Question 4.

Solution:

Question 5.
If x =2–√ – 1 then write the value of 1x.
Solution:

Question 6.
If a = 2–√ + h then find the value of a –1a
Solution:

Question 7.
If x = 2 + 3–√, find the value of x + 1x.
Solution:

Question 8.
Write the rationalisation factor of 5–√ – 2.
Solution:
Rationalisation factor of 5–√ – 2 is 5–√ + 2 as
(a−−√ + b√)(a−−√ – b√) = a – b

Question 9.
Simplify : 3+22–√−−−−−−−√.
Solution:

Question 10.
Simplify : 3−22–√−−−−−−−√.
Solution:

Question 11.
If x = 3 + 2 2–√, then find the value of  x−−√ – 1x√.
Solution:

All Chapter RD Sharma Solutions For Class 9 Maths

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All Subject NCERT Exemplar Problems Solutions For Class 9

All Subject NCERT Solutions For Class 9

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