Check sibling questions


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Example 5 Find the roots of the quadratic equation 3x2 โˆ’ 2 โˆš6 ๐‘ฅ + 2 = 0 . 3x2 โ€“ 2 โˆš6 ๐‘ฅ+2=0 We will factorize using splitting the middle term method 3x2 โ€“ โˆš๐Ÿ” ๐’™โˆ’โˆš๐Ÿ” ๐’™+๐Ÿ=๐ŸŽ 3x2 โ€“ โˆš(2ร—3) ๐‘ฅโˆ’โˆš(2ร—3) ๐‘ฅ+2=0 3x2 โ€“ (โˆš2)(โˆš3)๐‘ฅโˆ’(โˆš2)(โˆš3)๐‘ฅ+2=0 โˆš3 ๐‘ฅ(โˆš3 ๐‘ฅโˆ’โˆš2 )โˆ’โˆš2 (โˆš3 ๐‘ฅโˆ’โˆš2 )=0 (โˆš๐Ÿ‘ ๐’™ โˆ’โˆš๐Ÿ) (โˆš๐Ÿ‘ ๐’™โˆ’โˆš๐Ÿ)=๐ŸŽ โˆš3 ๐‘ฅ โˆ’โˆš2 = 0 โˆš3 ๐‘ฅ = โˆš2 x = โˆš๐Ÿ/โˆš๐Ÿ‘ = โˆš(๐Ÿ/๐Ÿ‘) โˆš3 ๐‘ฅ โˆ’โˆš2 = 0 โˆš3 ๐‘ฅ = โˆš2 x = โˆš๐Ÿ/โˆš๐Ÿ‘ = โˆš(๐Ÿ/๐Ÿ‘) Hence, x =โˆš(๐Ÿ/๐Ÿ‘) & x =โˆš(๐Ÿ/๐Ÿ‘) are roots of the equation

  1. Chapter 4 Class 10 Quadratic Equations
  2. Serial order wise

About the Author

Davneet Singh

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