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Using vector method prove that in any tr...

Using vector method prove that in any triangle `ABC ` ` a^2=b^2+c^2-2bc cos A`.

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VMC MODULES ENGLISH-VECTORS -JEE ADVANCED (ARCHIVE) (TRUE/ FALSE)
  1. Using vector method prove that in any triangle ABC a^2=b^2+c^2-2bc...

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  2. Sate true/false. The points with position vectors veca + vecb, veca-ve...

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  3. Let vecA, vecB and vecC be unit vectors such that vecA.vecB = vecA.vec...

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  4. for any three vectors, veca, vecb and vecc , (veca-vecb) . (vecb -vecc...

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  5. If vecX.vecA=0, vecX.vecB=0,vecX.vecC=0 for some non-zero vector, vecX...

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  6. find three- dimensional vectors, vecv1, vecv2 and vecv3" satisfying "...

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  7. about to only mathematics

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  8. In a triangle A B C ,Da n dE are points on B Ca n dA C , respectivley,...

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  9. Determine the value of c so that for all real x , vectors c x hat i-6 ...

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  10. about to only mathematics

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  11. Let OACB be a parallelogram with O at the origin and OC a diagonal. Le...

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  12. Let vec A(t) = f1(t) hat i + f2(t) hat j and vec B(t) = g(t)hat i+g2(...

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  13. If veca, vecb, vecc and vecd ar distinct vectors such that veca xx v...

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  14. For any two vectors vecu and vecv prove that (1+|vecu|^2)(1+|vecv|^2) ...

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  15. A , B , Ca n dD are any four points in the space, then prove that |...

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  16. about to only mathematics

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  17. vecu, vecv and vecw are three nono-coplanar unit vectors and alpha, be...

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  18. about to only mathematics

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  19. Let vecu and vecv be unit vectors. If vecw is a vector such that vecw+...

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  20. The position vectors of the point A, B, C and D are 3hati-2hatj -hatk,...

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  21. If vecA , vecB and vecC are vectors such that |vecB| = |vecC| prove th...

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