Usuń niewymierność z mianownika ułamka
/- kreska ułamkowa
22√3/7+3√3
1/1-√2
√3-√5/√3+√5
2√2+3/1-2√2
z góry dziękuje :)
22√3/7+3√3*(7-3√3)/(7-3√3)=(22√3(7-3√3))/49-9*3=(154√3-198)/(49-27)=
=(-2(77√5-99))/22=(77√3-99)/11=(11(7√3-9))/11=7√3-91/1-√2=(1+√2)/1-2=-1-√2√3-√5/√3+√5=(√3-√5)²/3-5=(3-2√15-5)/-2=(-2-2√15)/-2=1+√152√2+3/1-2√2=[(2√2+3)(1+2√2)]/1-8=(2√2+8+3+6√2)/-7=(8√2+11)/-7
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22√3/7+3√3*(7-3√3)/(7-3√3)=(22√3(7-3√3))/49-9*3=(154√3-198)/(49-27)=
=(-2(77√5-99))/22=(77√3-99)/11=(11(7√3-9))/11=7√3-9
1/1-√2=(1+√2)/1-2=-1-√2
√3-√5/√3+√5=(√3-√5)²/3-5=(3-2√15-5)/-2=(-2-2√15)/-2=1+√15
2√2+3/1-2√2=[(2√2+3)(1+2√2)]/1-8=(2√2+8+3+6√2)/-7=(8√2+11)/-7
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