Question

efetue
a) 5√7+3√7
b)4√5-2√5
c)2³√9+3³√9
d)√5-√5-√5
é)5.√2-3√2+2√2
f)8√3-2√3-8√3+√3

Answer 1

a) = √7(5+3)=8√7
b) =√5(4-2)=2√5
c) =√9(2³+3³)=3(8+9)=3(17)=51
d) =√5(1-1-1)=-√5
e) =√2(5-3+2)=4√2
f) =√3(8-2-8+1)=-√3