Question

necesito ayuda

1) -4 . ∛( (-1)/( 64) )=


2) ( √18 - √50 + √32 - 3 . √2 )^2=


3) [(√(2 )+ √(2 )/2 )] . √(2 ) =


4) (√( 45 ) + 〖 ( 5 )〗^(1/2))/√( 5 )=

Answer 1

1) = 4

2) =

3) = 5,4

4) = I don't know I'm sorry