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  1. Chapter 12 Class 8 Exponents and Powers
  2. Serial order wise

Transcript

Example 5 Find m so that ใ€–(โˆ’3)ใ€—^(๐‘š+1) ร— ใ€–(โˆ’3)ใ€—^5 = ใ€–(โˆ’3)ใ€—^7 ใ€–(โˆ’3)ใ€—^(๐‘š+1) ร— ใ€–(โˆ’3)ใ€—^5 = ใ€–(โˆ’3)ใ€—^7 ใ€–(โˆ’3)ใ€—^(๐‘š + 1 + 5) = ใ€–(โˆ’3)ใ€—^7 ใ€–(โˆ’3)ใ€—^(๐‘š + 6) = ใ€–(โˆ’3)ใ€—^7 Comparing powers m + 6 = 7 m = 7 โˆ’ 6 m = 1 (Using ๐‘Ž^๐‘šร—๐‘Ž^๐‘›=๐‘Ž^(๐‘š + ๐‘›))

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.