Example 19 - Chapter 1 Class 9 Number Systems (Term 1)
Last updated at Aug. 24, 2021 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
Example 16 (ii)
Example 16 (iii)
Example 16 (iv)
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Example 18
Example 19 You are here
Example 20 Important
Example 21 (i)
Example 21 (ii)
Example 21 (iii) Important
Example 21 (iv) Important
Transcript
Example 19 Rationalize the denominator of 5/(√3 − √5). 5/(√3 − √5) = 5/(√3 − √5) × (√3 + √5)/(√3 + √5) = (5 × (√3 + √5))/((√3)2 − (√5)2) = 5 ×(√5 + √3)/(3 − 5) = 5 ×(√5 + √3)/(−2) = – 5/2(√5+√3)
