Evaluate :
1 ) `( -1 )^2`
2 ) `( - 1 )^3`
3 ) `( - 1 )^4`

Evaluate : 1/2 + 1/3 + 1/4

Evaluate : [ ( 1/2 )^-1 + ( 2/3 )^2 - ( 3/4 ) ]^(-2 )

Evaluate : ( 1/2 - 1/3 ) + ( 1/3 - 1/4 ) + ( 1/4 + 1/2 ) is equal to ( a ) 0 ( b ) 1/4 ( c ) 1/2   ( d ) 1

Evaluate : 1/( 1 + sqrt (2) ) + 1/( sqrt(2) + sqrt (3) ) + 1/ ( sqrt(3) + sqrt (4) )

Find the sum of the series e^(x-(1)/(2)(x -1)^(2) + (1)/(3) (x -1)^(3) - (1)/(4) (x -1)^(4) + ...

Evaluate : 4^(1/3 ) times [ 2^(1/3 ) times 3^(1/2) ] ÷ 9^(1/4 )

Evaluate (1) 2^(-3) (2)(-4)^(-2) (3)1/3^(-2) (4)(1/2)^(-5)

Evaluate (-1)/3 xx (1/2+1/4)xx((-1)/3 xx 1/2)+((-1)/3 xx 1/4)

Find the value of ( 4^-1 + 8^-1 ) ÷ 1/ ( 2/3 )^-3

Find the value of :   (1/4 )^-2 + (1/3 )^-3 + (1/2 )^-4