thapakrish471 thapakrish471
  • 20-12-2020
  • Mathematics
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9(a^2+1)^2- 4(b^2-1)^2​

Respuesta :

umairkazi924
umairkazi924 umairkazi924
  • 20-12-2020

[tex]9( {a}^{2} + 1) {}^{2} - 4( {b}^{2} - 1) {}^{2} [/tex]

[tex] = 9( {a}^{4} + 1) - 4( {b}^{4} + 1)[/tex]

[tex] = {9a}^{4} + 9 - {4b}^{4} - 4[/tex]

[tex] = {9a}^{4} - {4b}^{4} + (9 - 4)[/tex]

[tex] = {9a}^{4} - {4b}^{4} + 5[/tex]

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