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number theory - Show that $ a,b,c, \sqrt{a}+ \sqrt{b}+\sqrt{c} \in\mathbb Q \implies \sqrt{a},\sqrt{b},\sqrt{c} \in\mathbb Q $ - Mathematics Stack Exchange
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sqrt(a +b -2 sqrt(ab)) is ____ where sqrta gt sqrtb | 9 | POLYNOMIALS AND SQUARE ROOTS OF ALGEBR... - YouTube
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What is the proof for $\sqrt{-a}\times\sqrt{-b}\neq\sqrt{ab},\text{ where }a,b\in \mathbb{R}$ - Mathematics Stack Exchange
![If a : b = c : d, then show that `sqrt(a^(2) + c^(2)) : sqrt(b^(2) + d^(2)) = (pa + qc) : (pb+qd)` - YouTube If a : b = c : d, then show that `sqrt(a^(2) + c^(2)) : sqrt(b^(2) + d^(2)) = (pa + qc) : (pb+qd)` - YouTube](https://i.ytimg.com/vi/bGOjyA8nDYs/maxresdefault.jpg)
If a : b = c : d, then show that `sqrt(a^(2) + c^(2)) : sqrt(b^(2) + d^(2)) = (pa + qc) : (pb+qd)` - YouTube
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