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  1. Chapter 14 Class 8 Factorisation
  2. Serial order wise

Transcript

Example 13 Do the following divisions. (i) โ€“20๐‘ฅ^4 รท 10๐‘ฅ^2 โ€“20๐‘ฅ^4 รท 10๐‘ฅ^2 = ( โˆ’ 20๐‘ฅ^4)/(10๐‘ฅ^2 ) = ( โˆ’ 20)/10 ร— ๐‘ฅ^4/๐‘ฅ^2 = โˆ’2 ร— ๐‘ฅ^4/๐‘ฅ^2 = โˆ’2 ร— ๐‘ฅ^(4 โˆ’2) = โˆ’2๐’™^๐Ÿ (( ๐‘Ž^๐‘š)/๐‘Ž^๐‘› " = " ๐‘Ž^(๐‘š โˆ’๐‘›) " " ) Example 13 Do the following divisions. (ii) 7๐‘ฅ^2 ๐‘ฆ^2 ๐‘ง^2 รท 14xyz 7๐‘ฅ^2 ๐‘ฆ^2 ๐‘ง^2 รท 14xyz = (7๐‘ฅ^2 ๐‘ฆ^2 ๐‘ง^2)/14๐‘ฅ๐‘ฆ๐‘ง = 7/14 ร— ๐‘ฅ^2/๐‘ฅ ร— ๐‘ฆ^2/๐‘ฆ ร— ๐‘ง^2/๐‘ง = 1/2 ร— ๐‘ฅ^(2 โˆ’ 1) ร— ๐‘ฆ^(2 โˆ’ 1) ร— ๐‘ง^(2 โˆ’ 1) = 1/2 ร— ๐‘ฅ ร— ๐‘ฆ ร— ๐‘ง = ๐Ÿ/๐Ÿ ๐’™๐’š๐’› (( ๐‘Ž^๐‘š)/๐‘Ž^๐‘› " = " ๐‘Ž^(๐‘š โˆ’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.