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If vectors lambda bar(i) - 3bar(j)+5bar(...

If vectors `lambda bar(i) - 3bar(j)+5bar(k), 2lambda bar(i) - lambdabar(j) - bar(k)` are perpendicular to each other find `lambda`.

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The correct Answer is:
`(-5)/(2)`.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-PRODUCT OF VECTORS-SOLVED PROBLEMS
  1. If veca=veci-vecj-veck and vecb=2veci-3vecj+veck, then find the projec...

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  2. If P, Q, R and S are points whose position vectors are bari-bark, -bar...

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  3. If vectors lambda bar(i) - 3bar(j)+5bar(k), 2lambda bar(i) - lambdabar...

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  4. Let veca=2veci+3vecj+veck,vecb=4veci+vecj and vec(c)=veci-3vecj-7veck....

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  5. Show that the vectors 2hati-hatj+hatk,hati-3hatj-5hatkand3hati-4hatk f...

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  6. P.T the smaller angle theta between any two diagonals of a cube is giv...

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  7. Let bara,barb,barc be non-zero mutually orthogonal vectors. If xbara+y...

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  8. Let bara, barb and barc be mutually orthogonal vectors of equal magnit...

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  9. The vectors bar(AB) = 3bari - 2barj + 2bark and bar(BC) = -bari - 2bar...

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  10. Find the Cartesian equation of the plane passing through the point (-2...

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  11. Find the cartesian equation of the plane through the point A (2,-1,-4)...

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  12. Find the angle between the planes 2x-3y-6z=5 and 6x+2y-9z = 4.

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  13. Find unit vector orthogonal to the vector 3bari + 2barj + 6bark and co...

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  14. If veca=2veci-3vecj+5veck,vecb=-veci+4vecj+2veck, then find vecaxxvecb...

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  15. If bar(a)=2bar(i)-3bar(j)+5bar(k),bar(b)=-bar(i)+4bar(j)+2bar(k), then...

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  16. Find the area of the parallelogram for which the vectors veca=2veci-3v...

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  17. If vec(a) xx vec(b) = vec(c ) xx vec(d) and vec(a) xx vec(c )= vec(b) ...

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  18. If bar(a) = bar(i) + 2bar(j) + 3bar(k), bar(b) = 3bar(i) +5bar(j) -bar...

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  19. Let veca=2veci-j+veck and vecb=3i+4j-veck. If theta is the angle betwe...

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  20. Let vec(a), vec(b), vec(c ) be such that vec(c ) ne vec(0), vec(a) xx ...

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