wykonaj działania: a)4x√3(1/4√3+3/4√27-5√6)= b)√1/2m(-5a√2+3a√18+a√32)= c)-1/2(x√8-5x√2+3x√32)*√2y
a)4x√3(1/4√3+3/4√27-5√6)=
=3x+27x-60x√2=30x-60√2x=30x(1-√2)
b)√1/2m(-5a√2+3a√18+a√32)=
=-5am+9am+4am=18am
c)-1/2(x√8-5x√2+3x√32)*√2y
=-2xy+5xy-12xy=-9xy
Pozdrawiam i liczę na naj... :-))
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a)4x√3(1/4√3+3/4√27-5√6)=
=3x+27x-60x√2=30x-60√2x=30x(1-√2)
b)√1/2m(-5a√2+3a√18+a√32)=
=-5am+9am+4am=18am
c)-1/2(x√8-5x√2+3x√32)*√2y
=-2xy+5xy-12xy=-9xy
Pozdrawiam i liczę na naj... :-))