Question 2 - Examples - Chapter 1 Class 8 Rational Numbers

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Example 4 - Verify that -(-x) is same as x for (i) x = 13/17

Example 4 - Chapter 1 Class 8 Rational Numbers - Part 2

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Question 2 Verify that – (– x) is the same as x for (i) x = 13/17 Additive Inverse of x = −x Check : 13/17+((−13)/17)=0 Additive Inverse of -x = – (– x) Check: ((−13)/17)+(13/17)=0 Thus, – (– x) = x . Question 2 Verify that – (– x) is the same as x for (ii) x = (−21)/31 Additive Inverse of x = −x Check : (−21)/31+21/31 = 0 Additive Inverse of -x = –(-x) Check: 21/31+((−21)/31)=0 Thus, –(-x) = x .

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo