Example 18 - Chapter 1 Class 9 Number Systems (Term 1)
Last updated at July 12, 2018 by Teachoo
Examples
Example 1 (i)
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Example 1 (ii) Deleted for CBSE Board 2022 Exams
Example 1 (iii) Important Deleted for CBSE Board 2022 Exams
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Example 16 (i) Important
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Example 18 You are here
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Example 21 (i)
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Example 21 (iv) Important
Transcript
Example18 Rationalize the denominator of 1/(2+√3). To rationalize, We multiply and divide by 2 - root 3 Let's check the video 1/(2+√3) = 1/(2+√3) × (2 −√3)/(2−√3) = (2 −√3)/(22−(√3)2) = (2 −√3)/(4−3) = (2 −√3)/1 = 2 -√3 .
