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If a=6hat(i)+7hat(j)+7hat(k), b=3hat(i)+...

If `a=6hat(i)+7hat(j)+7hat(k), b=3hat(i)+2hat(j)-2hat(k), P(1, 2, 3)`
Q. The position vector of L, the foot of the perpendicular from P on the line `r=a+lambdab` is

A

`6hat(i)+7hat(j)+7hat(k)`

B

`3hat(i)-2hat(j)-2hat(k)`

C

`3hat(i)+5hat(j)+9hat(k)`

D

`9hat(i)+9hat(j)+9hat(k)`

Text Solution

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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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  11. What is vector equation of the line

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  12. A circle is the locus of a point in a plane such that its distance fro...

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  13. A circle is the locus of a point in a plane such that its distance fro...

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  14. A circle is the locus of a point in a plane such that its distance fro...

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  15. Let A(2, 3, 5), B(-1, 3, 2), C(lambda, 5, mu) are the vertices of a tr...

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  16. let vec a = 2hat i +3hat j and vec b = hat i +4hat j then find project...

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