" (i) "x=(11)/(15)

Verify that -(-x) =x for . x= (11)/(15)

Fill in the blanks: (11/15)^(4)xx( "___________" )^(5)=(11/15)^(9)

Verify that -(-x) =x for x = frac(11)(15)

Solve the equation: (x)/(5)+11=(1)/(15) and check the result.

Solve each of the following equations : x^(2)-(11)/(4)x+(15)/(8)=0

Solve the following quadratic equations by factorisation : (i) 4-11x=3x^(2) (ii) x^(2)-(11)/(4)x+(15)/(8)=0