Question

а)7√3-4√12+√48=
б) (5√2-√8)*√2=
в)(6-√5)^2 +12√5
Решите пж срочно

Answer 1

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Answer 2

a)7√3-4√12+√48=7√3-8√3+4√3=3√3

б)(5√2-√8)*√2=(5√2-2√2)*√2=3√2*√2=3*(√2)²=3*2=6

в) (6-√5)²+12√5=36-12√5-5+12√5=36+5=41