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Let  be three non-zero  vectors such that no two these are collinear. If the vector +2  is collinear with  and  is collinear with (λ being some non-zero scalar). Then  equals

a)

b)

c)

d)



Question ID - 53695 | SaraNextGen Top Answer

Let  be three non-zero  vectors such that no two these are collinear. If the vector +2  is collinear with  and  is collinear with (λ being some non-zero scalar). Then  equals

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

If  is collinear with , then

   ….(i)

Also, if  is collinear with  then

    …(ii)

On putting the value of  in Eq. (i), we get

On comparing, we get

From Eq. (i)

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