Na już poproszę ; ) Daje naj
oblicz wartosc liczbowa wyrazenia .5x^2y +1/y^2dla x=pierwiasteek z 2 , y=-0,5
=5*√2²*(-1/2)+ 1 /(-1/2)²=
=5*2*(-1/2) +1 / 1/4 =
=5*(-1) +1 /1/4 =
=-5+1 /1/4 =
=-5 + 1*4=
=-5+4=
=-1
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=5*√2²*(-1/2)+ 1 /(-1/2)²=
=5*2*(-1/2) +1 / 1/4 =
=5*(-1) +1 /1/4 =
=-5+1 /1/4 =
=-5 + 1*4=
=-5+4=
=-1