Question

Cum se rezolva exercitiul 4 , dau coroana

Answer 1

√48 = 4√3.
√12 = 2√3.
√147 = 7√3.
√192 = 8√3.
√27 = 3√3.

√50 = 5√2.
√98 = 7√2.
√162 = 9√2.
√72 = 6√2.
√8 = 2√2.

√96 = 4√6.
√486 = 9√6.
√150 = 5√6.
√54 = 3√6.
√294 = 7√6.




A = 4√3-2√3+7√3-8√3+3√3
A = 2√3-√3+3√3
A = 4√3.


B = 5√2-7√2+9√2-6√2+2√2
B = -2√2+3√2+2√2
B = 3√2.


C = 4√6-9√6+5√6-3√6+7√6
C = -5√6+2√6+7√6
C = 4√6.



A•B/C = 4√3•3√2/4√6 = 3.

A•C/B = 4√3•4√6/3√2 = 4√3•4√3/3 = 16•3/3 = 16.

B•C/A = 3√2•4√6/4√3 = 3√2•√2 = 3•2 = 6.





Succes!