Ex 6.1, 11 - Chapter 6 Class 11 Linear Inequalities (Term 2)
Last updated at Feb. 15, 2020 by
Last updated at Feb. 15, 2020 by
Transcript
Ex 6.1, 11 Solve the given inequality for real x: (3(๐ฅ โ2))/5 โค (5(2 โ๐ฅ))/3 (3(๐ฅ โ2))/5 โค (5(2 โ๐ฅ))/3 3 ร 3(x โ 2) โค 5 ร 5(2 โ x) 9 (x โ 2) โค 25 (2 โ x) 9x โ 18 โค 50 โ 25x 9x + 25x โค 50 + 18 34x โค 68 ๐ฅ โค 68/34 x โค 2 Hence, x is a real number which is less than or equal to 2 Hence, x โ (โโ, 2] is the solution Ex 6.1, 11 Solve the given inequality for real x: 3( 2) 5 5(2 ) 3 3( 2) 5 5(2 ) 3 3 3(x 2) 5 5(2 x) 9 (x 2) 25 (2 x) 9x 18 50 25x 9x + 25x 50 + 18 34x 68 68 34 x 2 Hence, x is a real number which is less than or equal to 2 Hence, x ( 2] is the solution
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