Slide22.JPG

Slide23.JPG

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


Transcript

Ex 12.3, 3 Work out the following divisions. (iv) 9๐‘ฅ^2 ๐‘ฆ^2(3z โ€“ 24) รท 27xy(z โ€“ 8)We first factorise ใ€–9๐‘ฅใ€—^2 ๐‘ฆ^2 (3z โˆ’ 24) = ใ€–9๐‘ฅใ€—^2 ๐‘ฆ^2 ร— [3z โˆ’ (3 ร— 8)] Taking 3 common, = ใ€–9๐‘ฅใ€—^2 ๐‘ฆ^2 ร— 3 (z โˆ’ 8) = 27 ๐’™^๐Ÿ ๐’š^๐Ÿ (z โˆ’ 8) Dividing, (9๐‘ฅ^2 ๐‘ฆ^2 (3๐‘ง โˆ’ 24))/(27๐‘ฅ๐‘ฆ (๐‘ง โˆ’ 8)) = (27๐‘ฅ^2 ๐‘ฆ^2 (๐‘ง โˆ’ 8))/(27๐‘ฅ๐‘ฆ (๐‘ง โˆ’ 8)) = 27/27 ร— ๐‘ฅ^2/๐‘ฅ ร— ๐‘ฆ^2/๐‘ฆ ร— ((๐‘ง โˆ’ 8))/((๐‘ง โˆ’ 8)) = 1 ร— x ร— y ร— 1 = xy

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.