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If equation of three lines are : (x)...

If equation of three lines are :
`(x)/(1)=(y)/(2)=(z)/(3), (x)/(2)=(y)/(1)=(z)/(3) and (x-1)/(1)=(2-y)/(1)=(z-3)/(0)`, then
which of the following statement(s) is/are correct ?

A

Triangle formed by the line is equilateral

B

Triangle formed by the lines is isosceles

C

Equation of the plane containing the lines is `x+y=z`

D

Area of the triangle formed by the lines is `(3sqrt(3))/(2)`

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The correct Answer is:
B, C, D
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VK JAISWAL ENGLISH-VECTOR & 3DIMENSIONAL GEOMETRY-Exercise-2 : One or More than One Answer is/are Correct
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  2. If veca=hati+6hatj+3hatk, vecb=3hati+2hatj+hatk and vec c=(alpha+1)hat...

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  3. Consider the lines : L(1): (x-2)/(1)=(y-1)/(7)=(z+2)/(-5) L(2):x-4...

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  4. Let hata, hatb and hatc be three unit vectors such that hata=hatb+(h...

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  5. The value(s) of mu for which the straight lines vecr=3hati-2hatj-4hatk...

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  6. If hati xx [ (veca-hatj) xxhati]+ hatj xx [(veca - hatk)xx hatj] +hatk...

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  7. [vecaxx vecb " " vecc xx vecd " " vecexx vecf] is equal to (a)[veca...

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  8. If veca,vecb,vecc & vecd are position vector of point A,B,C and D resp...

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  9. veca and vecc are unit vectors and |vecb|=4 the angle between veca and...

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  10. Consider the lines x=y=z and line 2x+y+z-1=0=3x+y+2z-2, then

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  11. If (veca xx vecb) xx (vec c xx vecd)=h veca+k vecb=r vec c+s vecd, wh...

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  12. If (veca xx vecb) xx (vec c xx vecd)=h veca+k vecb=r vec c+s vecd, wh...

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  13. Let a be a real number and vec alpha = hati +2hatj, vec beta=2hati+a h...

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  14. The volume of a right triangular prism ABCA(1)B(1)C(1) is equal to 3 c...

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  15. If veca=xhati + y hatj + zhatk, vecb= yhati + zhatj + xhatk and vecc=...

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  16. If a line has a vector equation, vecr=2hati +6hatj+lambda(hati-3hatj) ...

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  17. Let M,N, P and Q be the mid points of the edges AB, CD, AC and BD resp...

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  18. The solution vectors vecr of the equation vecr xx hati=hatj+hatk and v...

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  19. The lines with vector equations are, vecr(1)=3hati+6hatj+lambda(-4hat...

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