Bardzo proszę o pomoc w obliczeniu.
Dam NAJ!
wzór na kwadrat różnicy
=9-3√5-2[(9-3√5)(9+3√5)]^1/2+9+3√5=
18-2[81-45]^1/2=
=18-2*36^1/2=
=18-2√36=
=18-2*6=
=18-12=
=6
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wzór na kwadrat różnicy
=9-3√5-2[(9-3√5)(9+3√5)]^1/2+9+3√5=
18-2[81-45]^1/2=
=18-2*36^1/2=
=18-2√36=
=18-2*6=
=18-12=
=6