Question

a)4√11-7√13+3√13-5√11
b)3√5-4+6-2√5-5+√5
c)(2√3-5√2+3)-(4√3-5√2+1)
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Answer 1

a) 4√11-7√13+3√13-5√11=
= -1√11-4√13
b) 3√5-4+6-2√5-5+√5=
= 2√5-3
c) (2√3-5√2+3)-(4√3-5√2+1)=
= 2√3-5√2+3-4√3+5√2-1=
= -2√3+2