Q6 of 51 Page 26

If are non-collinear vectors, then find the value of

for any vector

We have


Replacing =




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4

Find the values of ‘a’ for which the vectors and are coplanar.

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Find the volume of the parallelepiped with its edges represented by the vectors

7

If the vectors (sec2 A) are coplanar, then find the value of cosec2A A + cosec2B + cosec2C.

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For any two vectors of of magnitudes 3 and 4 respectively, write the value of