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Consider a triangular pyramid ABCD the p...

Consider a triangular pyramid ABCD the position vectors of whose angular points are `A(3, 0, 1), B(-1, 4, 1), C(5, 2, 3) and D(0, -5, 4)`. Let G be the point of intersection of the medians of triangle BCD. Q. Area of triangle ABC in sq. units is

A

`24`

B

`8sqrt(6)`

C

`4sqrt(6)`

D

None of these

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The correct Answer is:
(c)
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ARIHANT MATHS ENGLISH-THREE DIMENSIONAL COORDINATE SYSTEM-Exercise (Passage Based Questions)
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  3. Consider a triangular pyramid ABCD the position vectors of whose angul...

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

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  12. If vec a=6hat(i)+7hat(j)+7hat(k), find the unit vector along with this...

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  13. If A(-2,2,3)a n dB(13 ,-3,13) are two points. Find the locus of a poin...

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