Simplify :

`sqrt( 1.31/100 )`

Simplify : sqrt50.

Simplify sqrt(25.4016)

Simplify : sqrt( 1 + a) times sqrt ( 1- a )

Simplify : sqrt(192) - 1/2 sqrt(48) - sqrt(75) .

Simplify : ( sqrt( x +1 ) - sqrt(x-1) ) / ( sqrt(x + 1 ) + sqrt( x -1) )

Simplify : ( sqrt( 1 + x^2 ) + sqrt( 1 - x^2 ) ) /( sqrt( 1 + x^2 ) - sqrt( 1 - x^2 ) )

Simplify : sqrt(50) -sqrt(98)

( Simplify: )/(sqrt(100)-sqrt(99))-(1)/(sqrt(99)-sqrt(98))+(1)/(sqrt(98)-sqrt(97))-(1)/(sqrt(97)-sqrt(96))+backslash+(1)/(sqrt(2)-sqrt(1))