Question

Efetue
A) 5√7 + 3√7
B) 4√5 + 2√5
C) √5 - √5 -√5
D) 5√2 - 3√2 + 2√2
E) 8√3 - 2√3 - 8√3 + √3

Answer 1

A = 8√7
B = 6√5
C = -1√5
D = 4√2
E = -1√3