4t ESO/4.04 EQUACIONS/4.04.3 Sistemes/4.04.3.3 Sistemes no lineals
4.04.3.3.21Q SistNoLineal ax+by_x^2+y^2
Resol el sistema d'equacions següent:
#e_1
Les solucions són:
- [x1,y1] = [{#1} , {#2}]
- [x2,y2] = [{#3} , {#4}]
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4.0000000
0.5000000
0
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Cal aïllar y en la primera: y = #w_1
i substituir en la segona: x2 + (#w_1)2 = #s_2.
Penseu en emprar la fórmula (a - b)2 = a2 -2ab + b2
Es resol l'equació de 2n grau que en resulta.
Per cada valor de x, es substitueix en y = #w_1 per trobar la y corresponent.
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