Two vectors \overrightarrow{a}=a_1 \stackrel{\^}{i}+a_2 ...

CBSE Class 12 Math 2023 Delhi Set 1 Solved Paper

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Question : 13 of 38

Marks: +1, -0

Two vectors

→

a

=a1

^

i

+a2

^

j

+a3

^

k

and

→

b

=b1

^

i

+b2

^

j

+b3

^

k

are collinear if

a1b1+a2b2+a3b3=0
‌
a1
b1
=‌
a2
b2
=‌
a3
b3
a1=b1,a2=b2,a3=b3
a1+a2+a3=b1+b2+b3

Solution: 👈: Video Solution

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