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stephen-taylor_60b0d67a71409stephen-taylor_60b0d67a71409
in Science & Mathematics

Si a ^2 +b ^2 = Y a^ 2 -b ^2 =2 entonces a^4 -b ^4 es igual a

Comments

  • norberto-out-of-yrnorberto-out-of-yr

    (a^2+b^2)=y

    (a^2-b^2)=2

    Diferencia de cuadrados: (a^2-b^2)*(a^2+b^2)= (a^4 - b^4); reemplazo:

    2y=a^4 - b^4

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