Răspuns:
a)[tex]\sqrt\\18[/tex]([tex]\sqrt147-[/tex][tex]\sqrt108+[/tex][tex]\sqrt300-[/tex][tex]\sqrt432[/tex])+[tex]\sqrt48([/tex][tex]\sqrt50-\sqrt32+\sqrt128-\sqrt98[/tex])
=[tex]3\sqrt2*7\sqrt3-3\sqrt2*6\sqrt3+3\sqrt2*10\sqrt3-3\sqrt2*12\sqrt3)[/tex]+[tex](4\sqrt3*5\sqrt2-4\sqrt3*4\sqrt2+4\sqrt3*8\sqrt2-4\sqrt3*7\sqrt2)[/tex]
=[tex](21\sqrt6-18\sqrt6+30\sqrt6-36\sqrt6)+(20\sqrt6-16\sqrt6+36\sqrt6-28\sqrt6)[/tex]
=[tex](33\sqrt6-36\sqrt6)+(36\sqrt6-28\sqrt6)[/tex]
=-[tex]3\sqrt6+8\sqrt6[/tex]
=5[tex]\sqrt6[/tex]
sper ca te-am ajutat
Explicație pas cu pas:
