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(Radical8-radical2)(radical32+radical18)
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Răspuns :

[tex]( \sqrt{8} - \sqrt{2} )( \sqrt{32} + \sqrt{18} )[/tex]

[tex] = (2 \sqrt{2} - \sqrt{2} )(4 \sqrt{2} + 3 \sqrt{2} )[/tex]

[tex] = \sqrt{2} \times 7 \sqrt{2} [/tex]

[tex] = 7 \sqrt{4} [/tex]

[tex] = 7 \times 2[/tex]

[tex] = 14[/tex]

√8=2√2     √32=4√2      √18=3√2

(2√2 - √2)(4√2 + 3√2)=

√2 × 7√2=

7 (√2×√2)= 7 × 2=14

Sper că te-am ajutat!