Verify the following: `(-5)/9+1/3=1/3+(-5)/9`

1.Verify the following : (i) 3/4 + 5/8 = 5/8 + 3/4

Simplify the following : (i) 3/11+5/11+9/11 " (ii) " 3""2/3+1""3/5+2""4/5 .

Prove the following: tan^(-1)(1/4)+tan^(-1)(2/9)=1/2cos^(-1)(3/5)

Solve each of the following equations and also verify your solution: 9 1/4=y-1 1/3 (2) (5x)/3+2/5=1

Simplify the following (1 to 3) : 3/5" of "1""1/9+3""1/2

Evaluate the following: lim_(xto1/3)(3x^2+5x-2)/(9x^2-1)

Evaluate the following : (i) 2/5 times 3/7" (ii) " 3/5 times 8/9" (iii) " 7 times 1""2/3 .

Solve the following equations : (2x-13)/(5)-(x-3)/(11)=(x-9)/(5)+1

Evaluate the following : 5""1/3 div 1""1/9

Let X={1,2,3, ... , 10},A={1,2,3,4,5},B={1,3,5,7,9}a n dC={2,4,8, 10} , verify the following (AuuB)^c=A^cnnB^c