© examsiri.com
Question : 117 of 160
Marks:
+1,
-0
Solution:
Given orthogonal projection of
on
is
‌=‌(−+) ⇒‌| {(λ−3+)⋅(−−)}(−−) |
| (1+1+1) |
=‌(−+)On equating the coefficient of
, we get
‌λ+2=4‌⇒‌‌λ=2‌
© examsiri.com
Go to Question: