सदिशों का अदिश गुणनफल ज्ञात कीजिए -
` 3hati + hatj "व्" 5hatj - 10hatk `

Prove that the four points 6 hati - 7hatj, 16hati - 19 hatj - 4hatk, 3hatj - 6hatk and 2hati + 5hatj + 10 hatk form a tetrahedron in spacel.

Prove that the four points 6 hati - 7hatj, 16hati - 19 hatj - 4hatk, 3hatj - 6hatk and 2hati + 5hatj + 10 hatk form a tetrahedron in spacel.

If bara = 2hati + 3hatj - hatk, barb = hati + 2hatj - 5hatj, barc = 3hati + 5hatj - hatk , then a vector perpendicular to bara and lies in the plane containing barb and barc is………….

सदिशों का अदिश गुणनफल (Scalar Product of Vectors)|तीन विमाओं में दो सदिशों का अदिश गुणनफल (Product of Two Vectors in Three Dimensions)|भौतिकी में अदिश गुणनफल के उदाहरण (Examples of Scalar Product in Physics)|प्रश्न (Question)|सदिशों का सदिश गुणनफल (Vector Product of Vectors)|तीन विमाओं में दो सदिशों का सदिश गुणनफल (Cross Product of Two Vectors in Three Dimensions)|प्रश्न (Question)

The position vectors of vertices of a DeltaABC are 4hati - 2 hatj , hati + 4hatj - 3hatk and -hati + 5hatj + hatk respectively , then angleABC is equal to