Question

5. Efectuati calculele: c) 2√2/3√3+5√2/2√3-(7√2/6√3+4√2/√3​

Answer 1

Răspuns:

Explicație pas cu pas:

2√2/3√3+5√2/2√3-(7√2/6√3+4√2/√3​)=

√2/√3×(2/5+5/2)-√2/√3×(7/6+4)=√2/√3(2/5+2 1/2-1  1/6-4)=

√2/√3(-3+2/5+1/2-1/6)=√2/√3[-3+(12+15-5)/30]=√2/√3[-2+(-30+22)/30]

=√2/√3(-2  8/30)=√2/√3(-2  4/15)=√2/√3×(-34/15)=-34√6/3

Answer 2

Răspuns:

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Explicație pas cu pas:

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