If OABC is a tetrahedron such thatOA^2 +...

If OABC is a tetrahedron such that`OA^2 + BC^2 = OB^2 + CA^2 = OC^2 + AB^2` then

`OA bot BC`

`OB bot AC`

`OC bot AB`

`AB bot AC`

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ARIHANT MATHS-PRODUCT OF VECTORS-Exercise (Questions Asked In Previous 13 Years Exam)

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