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Find the distance of the point (1,2,3) f...

Find the distance of the point (1,2,3) from the line `(x-6)/(2)=(y-7)/(2)=(z-7)/(-3)`.

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The correct Answer is:
`= 7.89` units (approx).
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Find the equation of the plane passing through the point A(1,2,1) and perpendicular to the line joining the points P(1,4,2) and Q (2,3,5) . Also , find the distance of this plane from the line (x+3)/(2)=(y-5)/(-1)=(z-7)/(-1) .

Statement - I: The point A (1,0,7) is the mirror image of the point B(1,6,3) in the line (x)/(1)=(y-1)/(2)=(z-2)/(3) . Statement - II : The line (x)/(1)=(y-1)/(2)=(z-2)/(3) bsects the line segment joining A(1,0,7) and B (1,6,3).

Find the distance of the point P(3,8,2) from the line 1/2(x-1)=1/4(y-3)=1/3(z-2) measured parallel to the plane 3x+2y-2z+15=0.

If the length of the perpendicular drawn from (1,2,3) to the line (x-6)/(3)=(y-7)/(2)=(z-7)/(-2) is K units, then the value of K is -

Find the image of the point (1,6,3) with respect to the line x/1=(y-1)/2=(z-2)/3 and also find the equation of the line passing through the point and its image.

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Find the equation of the plane passing through the line (x-1)/(5)=(y+2)/(6)=(z-3)/(4) and point (4, 3, 7) .

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CHHAYA PUBLICATION-STRAIGHT LINE IN THREE DIMENSINAL SPACE -Sample Questions for Competitive Examination
  1. Find the distance of the point (1,2,3) from the line (x-6)/(2)=(y-7)/(...

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  2. The symmetrical from of the lines x+y+z-1=0 and 4x+y-2z+2=0 are -

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  3. The equation of line passing through the point vec(a) parallel to the ...

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  4. The lines vec(r)=hat(i)+hat(j)-hat(k)+lamda(3hat(i)-hat(j)) and vec(r)...

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  5. Consider the lines (x-5)/(3)=(y-7)/(-16)=(z-3)/(7) and (x-9)/(3)=(y-13...

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  6. The distance of the point A(veca) from the line vec(r)=vec(b)+tvec(c)...

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  7. If the length of the perpendicular drawn from (1,2,3) to the line (x-6...

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  8. If the shortest distance between the lines (x-1)/(1)=(y-1)/(1)=(z-1)/(...

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  9. The line (x-2)/(3)=(y+1)/(2)=(z-1)/(-1) intersects the curve xy xy=c^(...

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  10. A line passing through the point (1,1,1) from a tiangle of area sqrt(6...

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  11. The direction cosines of two lines satisfy the relations lamda(l+m)=n ...

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  12. Each question in this section contains statements given in two columns...

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  13. vec(a)=6hat(i)+7hat(j)+7hat(k),vec(b)=3hat(i)+2hat(j)-2hat(k),P(1,2,3)...

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  14. vec(a)=6hat(i)+7hat(j)+7hat(k),vec(b)=3hat(i)+2hat(j)-2hat(k),P(1,2,3)...

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  15. vec(a)=6hat(i)+7hat(j)+7hat(k),vec(b)=3hat(i)+2hat(j)-2hat(k),P(1,2,3)...

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  16. L(1):(x+1)/(-3)=(y-3)/(2)=(z+2)/(1),L(2):(x)/(1)=(y-7)/(-3)=(z+7)/(2) ...

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  17. L(1):(x+1)/(-3)=(y-3)/(2)=(z+2)/(1),L(2):(x)/(1)=(y-7)/(-3)=(z+7)/(2) ...

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  18. L(1):(x+1)/(-3)=(y-3)/(2)=(z+2)/(1),L(2):(x)/(1)=(y-7)/(-3)=(z+7)/(2) ...

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  19. Statement - I: The point A (1,0,7) is the mirror image of the point B(...

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  20. Statement - I : The lines vec(r)=hat(i)+hat(j)-hat(k)+S(3hat(i)-hat(j)...

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