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Ex. 4 c, va rog mult..

Ex 4 C Va Rog Mult class=

Răspuns :

Renatemambouko
[√32(1/√2+3/2√2-11/4√2)]²⁰¹⁵=
=[4√2(√2/2+3√2/4-11√2/8)]²⁰¹⁵=
=[4√2(4√2+6√2-11√2)/8]²⁰¹⁵=
=[4√2(-√2)/8]²⁰¹⁵=
=[(-4×2)/8]²⁰¹⁵=
=(-8/8)²⁰¹⁵=
=(-1)²⁰¹⁵=
=-1

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