Oblicz wartość wyrażenia dla:
a)
b)
c)
d)
a) (√2-√3)(√2+√3)=2-3=-1
b)(√2-√3-√2-√3)²=(-2√3)²=12
1/a+1/b=(b+a)/ab=2√2:(-1)=-2√2
(b²+a²)/ab=-(2-2√6+3+2+2√6+3)= - 10
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a) (√2-√3)(√2+√3)=2-3=-1
b)(√2-√3-√2-√3)²=(-2√3)²=12
c)
1/a+1/b=(b+a)/ab=2√2:(-1)=-2√2
d)
(b²+a²)/ab=-(2-2√6+3+2+2√6+3)= - 10