Ex 6.1, 11 - Chapter 6 Class 11 Linear Inequalities (Important Question)
Last updated at Feb. 15, 2020 by Teachoo
Last updated at Feb. 15, 2020 by Teachoo
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
Chapter 6 Class 11 Linear Inequalities
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