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| 1. |
Let AD be a median of the DeltaABC. If AE and AF are medians of the triangle ABD and ADC respectively, and AD=m_(1), AE=m_(2), AF=m_(3), then a^(2)//8 is equal to |
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Answer» `m_(2)^(2)+m_(3)^(2)-2m_(1)^(2)` |
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