If \( r, s, t \) and \( u \) are roots of \( x^{4}-5 x+3=0 \), then for the equation whose roots...

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If \( r, s, t \) and \( u \) are roots of \( x^{4}-5 x+3=0 \), then for the equation whose roots are \( \frac{r+s+t}{u^{2}}, \frac{r+s+u}{t^{2}}, \frac{r+t+u}{s^{2}}, \frac{s+t+u}{r^{2}} \) is
(a) Sum of roots is 0
(b) Leading coefficient is 2
(c) Product of roots is \( 1 / 3(d) \) None of these
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