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Let P (alpha, beta, gamma) and Q(1,-1,0)...

Let `P (alpha, beta, gamma) and Q(1,-1,0)` be points such that the mid-point of PQ is `R (x,y,z).` If x is the AM of `alpha and beta, y` is the G.M. of `beta and gamma and z` is the H.M . Of `gamma and alpha ` then :

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The correct Answer is:
`A to 1, B to3, C to 2`
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VMC MODULES ENGLISH-THREE DIMENSIONAL GEOMETRY -LEVEL-2
  1. The length of the perpendicular from the origin to the plane passing t...

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  2. The length of the perpendicular form the origin to the plane passin...

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  3. Let P (alpha, beta, gamma) and Q(1,-1,0) be points such that the mid-p...

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  4. Consider the family of planes x+y+z=c where c is a parameter intersect...

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  5. Through the point P(h, k, l) a plane is drawn at right angles to OP to...

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  6. A variable plane passes through a fixed point (a ,b ,c) and cuts th...

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  7. A rod of length 2units whose one end is (1, 0, -1) and other end touch...

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  8. Let PM be the perpendicular from the point P(1, 2, 3) to XY-plane. If ...

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  9. A variable plane which remains at a constant distance p from the origi...

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  10. In a tetrahedron OABC, if OA=hat(i), OB=hat(i)+hat(j) and OC=hat(i)+2h...

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  11. A parallelopied is formed by planes drawn through the points (2, 4, 5)...

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  12. A variable plane which remains at a constant distance p from the origi...

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  13. A mirror and a source of light are situated at the origin O and at ...

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  14. The four lines drawing from the vertices of any tetrahedron to the cen...

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  15. A variable plane is at a distance, k from the origin and meets the coo...

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  16. If from the point P(f, g, h) perpendicular PL and PM be drawn to yz an...

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  17. A plane makes interceptsOA, OB and OC whose measurements are a, b and ...

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  18. Let vectors veca, vecb veca and vecd be such that (veca xxvecb)xx (vec...

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  19. The image of plane p (1) in the plane mirror p (2) is : Let two planes...

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  20. Find the equation of a line : passing through the point vec c , paral...

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