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Delhi-2009
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Q7 of 45 Page 1

Write a unit vector in the direction of

Formula: -


(i) unit vector in direction of is given by


(ii) if then


Given: -



Using formula (i)






More from this chapter

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29

Find the equation of the plane passing through the point (-1, 3, 2) and perpendicular to each of the planes
x + 2y + 3z = 5 and 3x + 3y + z = 0.

2

Evaluate:

11

Differentiate the following function w.r.t. x:

y = (sin x) x + sin-1√x.

18

Find the value of λ so that the lines

and are perpendicular to each other.

Questions · 45
Delhi-2009
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