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Quantitative Aptitude

Descartes' Rule

x2+9 x-36=0, ...

Question

$x^{2} + 9 x - 36 = 0, f i n d t h e p o s i t i v e r o o t o f t h e e q u a t i o n . A n s .$ ___________.
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Solution

(x+12)(x-3) = 0, x = 3, -12

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