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Calculati a×b daca: /-radical din
a=/32-/72+/128-/162+/50
b=/150-/384+/54-/24 +/96

VA ROGGGG !!! DAU COROANA


Răspuns :

a=4√2-6√2+8√2-9√2+5√2= 2√2
b=5√6-8√6+3√6-2√6+4√6=2√6
a×b=2√2×2√6=4√12=4×2√3=8√3