Question

repedeee dau coroana
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Answer 1

Răspuns:

Explicație pas cu pas:

x=√3·√100+2√64√3-√3·√36=10√3+16√3-6√6=20√6

y=√432+2√588-3√1200+15√12=6√12+14√12-30√12+15√12=5√12

x+y=20√6+5√12=5√6(4+√2)

x-y=20√6-5√12=5√6(4-√2)

xy=20√6·5√12=100·6√2=600√2

x/y=20√6/5√12=4/√2=2√2