 | Florian Cajori - 1893 - 478 Seiten
...that a quadratic has always two roots. Thus Bhaskara gives x = 50 and x = - 5 for the roots of x* - 45 x = 250. " But," says he, "the second value is...inadequate ; people do not approve of negative roots." Commentators speak of this as if negative roots were seen, but not admitted. Another important generalisation,... | |
 | Florian Cajori - 1893 - 476 Seiten
...quadratic has always two roots. Thus Bhaskara gives a; = 50 and z= — 5 for the roots of a; 2 — 45a ; = 250. "But," says he, .'the second value is in this...inadequate; people do not approve of negative roots." Commentators speak of this as if negative roots were seen, but not admitted. Another important generalisation,... | |
 | Florian Cajori - 1898 - 512 Seiten
...quadratic has always two roots. Thus Bhaskara gives x = 50 and x = — 5 for the roots of a? — 45 a; = 250. " But," says he, "the second value is in this...inadequate ; people do not approve of negative roots." Commentators speak of this as if negative roots were seen, but not admitted. Another important generalisation,... | |
 | Leslie Leland Locke - 1909 - 364 Seiten
...up into two conditions, Bhaskara, who solved such equations, says "the second value in this case is not to be taken, for it is inadequate, people do not approve of negative roots." Such equations as the above were readily solved by the Hindus. Hankel says of them : "If one understands... | |
 | John Wesley Young, William Wells Denton, Ulysses Grant Mitchell - 1911 - 280 Seiten
...quadratic equation was the Hindu BHASKARA, in a work written about 1150 AD He gives x — 50, x = — 5, as the roots of a? — 45 x = 250 ; "but," says he, "the...inadequate ; people do not approve of negative roots." l For centuries thereafter people did not approve of negative roots. The German mathematician, MICHAEL... | |
 | John Wesley Young, William Wells Denton, Ulysses Grant Mitchell - 1911 - 257 Seiten
...BHASKARA, in a work written about 1150 AD He gives x = 50, x = — 5, as the roots of x*-— 45 # = 250; "but," says he, "the second value is in this...inadequate; people do not approve of negative roots." l For centuries thereafter people did not approve of negative roots. The German mathematician, MICHAEL... | |
 | Florian Cajori, Letitia Rebekah Odell - 1915 - 240 Seiten
...them were positive. He gives x = 50 or — 5 as the roots of x2 — 45 x = 250, and remarks : " But the second value is in this case not to be taken,..." Thus negative roots were seen, but not admitted. The recognition of negative roots came much later. The Italian mathematician, Cardan (1539), and the... | |
 | Henry Lewis Rietz, Arthur Robert Crathorne, Edson Homer Taylor - 1915 - 300 Seiten
...In solving the equation x 2 - 45x = 250, Bhaskar gives x = 50 and x = -5 for roots, but he says, " The second value is in this case not to be taken,...inadequate; people do not approve of negative roots." CHAPTER XXIV SYSTEMS OF EQUATIONS INVOLVING QUADRATICS 170. Introduction. The typical form of a quadratic... | |
 | Henry Lewis Rietz, Arthur Robert Crathorne, Edson Homer Taylor - 1915 - 302 Seiten
...In solving the equation xг - 45x = 250, Bhaskar gives x = 50 and x = -5 for roots, but he says, " The second value is in this case not to be taken,...inadequate; people do not approve of negative roots." CHAPTER XXIV SYSTEMS OF EQUATIONS INVOLVING QUADRATICS 170. Introduction. The typical form of a quadratic... | |
 | Herbert Ellsworth Slaught, Nels Johann Lennes - 1915 - 412 Seiten
...mathematician, gives x = 50 and x = — 5 as roots of x2 — 40 x = 250 but remarks that " The second root is not to be taken, for it is inadequate; people do not approve of negative roots." It was only after the time of Descartes (see page 240) that negative roots came into perfectly good... | |
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the second value is in this case not to be taken, for it is inadequate ; people do not approve of negative roots. 
