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Ma puteti ajuta?
Calculati:
a)√(2√2-1)-√(2-√2)²+√(3-√2)²
b)√(3√3-5√2)²+√(√3+√2)²-√(2√3-3√2)²


Răspuns :

a)√(2√2-1)²-√(2-√2)²+√(3-√2)²=(2√2-1)-(2-2√2)+(3-√2)=
2√2-1-2+2√2+3-√2=3√2
b)√(3√3-5√2)²+√(√3+√2)²-√(2√3-3√2)²=3√3-5√2+√3+√2-2√3+3√2=
2√3-√2