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1) ([tex]5 \sqrt{3} [/tex]+[tex] \sqrt{27} [/tex])[tex] \sqrt{3} [/tex]
2) ([tex] \sqrt{5}-1 [/tex])[tex] ^{2} [/tex]([tex]2 \sqrt{5}+1 [/tex])[tex] ^{2} [/tex]
1) ([tex]5 \sqrt{3} [/tex]+[tex] \sqrt{27} [/tex])[tex] \sqrt{3} [/tex]
2) ([tex] \sqrt{5}-1 [/tex])[tex] ^{2} [/tex]([tex]2 \sqrt{5}+1 [/tex])[tex] ^{2} [/tex]
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(5√3+√27)*√3=5√3*√3+√27*√3=5*3+√81=15+9=24(√5-1)² *(√5+1)²=((√5-1)*(√5+1))²=((√5)²-1²)²=(5-1)²=4²=16