Ex 6.1, 11 - Chapter 6 Class 11 Linear Inequalities (Important Question)
Last updated at Feb. 15, 2020 by Teachoo
Chapter 6 Class 11 Linear Inequalities
Last updated at Feb. 15, 2020 by Teachoo
Ex 6.1, 11 Solve the given inequality for real x: (3(π₯ β2))/5 β€ (5(2 βπ₯))/3 (3(π₯ β2))/5 β€ (5(2 βπ₯))/3 3 Γ 3(x β 2) β€ 5 Γ 5(2 β x) 9 (x β 2) β€ 25 (2 β x) 9x β 18 β€ 50 β 25x 9x + 25x β€ 50 + 18 34x β€ 68 π₯ β€ 68/34 x β€ 2 Hence, x is a real number which is less than or equal to 2 Hence, x β (ββ, 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