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TIFR-2013-Maths-A: 3
soujanyareddy13
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True/False Question :
The equation $x^{3}+3x-4=0$ has exactly one real root.
tifrmaths2013
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It can be factorised to $\left ( x-1 \right )\left ( x^{2} +x+4\right )$. So its root are 1, $(-1\pm \sqrt{15}i)/2$
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