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BETTER CHOICE PUBLICATION-VECTOR ALGEBRA -PREVIOUS YEARS BOARD.S QUESTIONS FOR PRACTICE (MCQ)
- Prove that, in any triangle ABC, cos B=(c^2+a^2-b^2)/(2ca).
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- Find vecaxxvecb, if veca=2hati+hatj+3hatk and vecb=3hati+5hatj-2hatk
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- Find |vecaxxvecb|, if veca=3hati+4hatjand vecb=hati-hatj+hatk
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- Find the unit vector perpendicular to the vector veca=-hati-2hatj+3h...
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- Find the unit vector perpendicular to the vector veca=4hati-3hatj-ha...
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- Using vector, prove that sin(A+B)=sinAcosB+cosAsinB
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- Find the area of a parallelogram whose adjacent sides are : 3hati-4h...
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- Find the area of a parallelogram whose adjacent sides are : 3hati+ha...
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- Find the area of parallelogram whose adjacent sides are given by vecto...
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- If veca+vecb+vecc=vec0, show that vecaxxvecb=veccxxveca. Interpret the...
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- veca=hati-2hatj+3hatk and vecb=2hati+3hatj-5hatk find vecaxxvecb and v...
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- Find the angle between two vectors veca and vecb with magnitudes sqrt3...
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- The magnitude of the vector 2hati-6hatj-3hatk is :
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- Show that the three points with position vectors -2hati+3hatj+5hatk,ha...
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- The value of lambda for which the vectors veca=2hati+lambdahatj+hatk ...
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- Let veca=4hati+5hatj-hatk,vecb=hati-4hatj+5hatk and vecc=3hati+hatj-ha...
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- Find the scalar projection of vecb on veca where : veca=2hati-2hatj+ha...
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- If veca=2hati-2hatj+hatk,vecb=hati+2hatj-2hatk and vecc=2hati-hatj+4ha...
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- Find the area of the parallelogram whose diagonals are : veca=hati-2ha...
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- Find the position vector of a point R which divides the line joining t...
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