Equações do 2º Grau e a Fórmula de Bháskara


Oi pessoal! Se você está estudando Equações Do 2º Grau, vai adorar este vídeo que conta a história da fórmula de Bháskara.
Bháskara Akaria (114-1185, Vijayapura, India) foi um mátemático, professor, astrólogo e astrônomo indiano, o mais importante matemático do século XII e último matemático medieval importante da Índia.

Filho de um astrólogo famoso chamado Mahesvara, tornou-se conhecido pela complementação da obra do conterrâneo Brahmagupta, por exemplo dando pioneiramente a solução geral da conhecida equação de Pell e a solução de um problema da divisão por zero, ao afirmar também pioneiramente, em sua publicação Vija-Ganita ou Bijaganita, um trabalho em 12 capítulos, que tal quociente seria infinito. Tornou-se chefe do observatório astronômico a Ujain, cidade onde ficou até morrer e o principal centro matemático da Índia na sua época, fama desenvolvida por excelentes matemáticos como Varahamihira e Brahmagupta, que ali tinham trabalhado e construído uma forte escola de astronomia matemátia.
Sua obra representou a culminação de contribuições hindus anteriores. Seis trabalhos seus são conhecidos e um sétimo trabalho, reivindicado para ele, é considerado por muitos historiadores como uma não falsificação posterior.
A fórmula de Bháskara, utilizada para determinar as raízes de uma equação quadrática é:
:

x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}\,\!

Onde

ax^2 + bx + c = 0\,\!, a\ne0\,\!.

Fonte de pesquisa: htt://pt.wikipedia.org.wiki/Bhaskara


Vamos agora assistir à animação sobre a origem da fórmula de Bháskara. É só clicar para aprender e se divertir.


Fonte do Vídeo: http://www.youtube.com/watch?v=8spSIP96y9Q

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