Let and the value of is
-106.5
-99.5
-112.5
-118.5
Scalar , Dot or Inner Product -
Scalar product of two vector & written as is a scalar quantity given by the product of magnitude of & and the cosine of smaller angle between them.
- wherein
showing representation of scalar products of vectors.
,
=
Option 1)
-106.5
Option 2)
-99.5
Option 3)
-112.5
Option 4)
-118.5
Study 40% syllabus and score up to 100% marks in JEE