Home Back

JEE Advanced Model Paper 8 with solutions for online practice

© examsiri.com
Question : 29 of 84
 
Marks: +1, -0
→
a
 and
→
b
 are non zero non–collinear vectors such that |
→
a
| = 2 ,
→
a
 .
→
b
 = 1 and angle between
→
a
 and
→
b
 is
π
3
 . If
→
r
 is any vector satisfying
→
r
 .
→
a
 = 2 ,
→
r
 .
→
b
 = 8 , (
→
r
+2
→
a
−10
→
b
) . (
→
a
.
→
b
) = 6 and
→
r
+2
→
a
−10
→
b
 = λ (
→
a
×
→
b
) then λ =
Validate
Go to Question:
Prev Question
Next Question