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Question Number 141730 by mathdanisur last updated on 22/May/21

$$x^2+y^2+xy=9$$$$y^2+z^2+yz=16$$$$x^2+z^2+xz=25$$$$xy+yz+xz=?$$

Commented by mathdanisur last updated on 23/May/21

$$howsir$$

Commented by MJS_new last updated on 22/May/21

$$\mathrm{I}\mathrm{get}\pm 8\sqrt{3}$$

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