Question

Va rog, ajutati-ma cu punctele a,c si e

Answer 1

a) (5√6)*(2√15):(15√5)=
=(5√6)*(2√15)/15√5=
=5√6*2√15/15√5=
=√6*2√3/3=
=2√18/3=
=6√2/3=
=2√2




c) (-2√6)(1/4√8):(3/4√12)=
=(-2√6)*√2/2:3√2/2=
=-√6*√2*2/3√3=
=-√2*√2*2/3=
=-2*2/3=
=-4/3

e) (2√3)³:(√2)^4=
=(2√3)³:2²=
=(2√3)²/2²=
=8*3√3/4=
=2*3√3=
=6√3

Answer 2

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