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Find the discriminantof the quadratic equation root 2 X square + 7 x + 5 root 2 ​

User GuiGS
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\displaystyle\ 2x^2+7x+5√(2) =0 \\\\\boxed{D=7^2-4\cdot2\cdot 5√(2) =49-40√(2) }

User Ggfan
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