Home Back

JEE Advanced Model Paper 6 with solutions for online practice

Show Para  Hide Para 
Passage-II

−
a
 = a1
^
i
 + b1
^
j
 + c1
^
k
 ,
−
b
 = a2
^
i
 + b2
^
j
 + c2
^
k
 are two vectors then
−
a
.
−
b
 = a1a2 + b1b2 + c1c2 , 1
1
n
 = cos
2kπ
n
 + isin
2kπ
n
 , (k = 0 , 1 , 2 , 3 ..... )
© examsiri.com
Question : 33 of 60
 
Marks: +1, -0
In a triangle ABC , |
–––––
BC
| = 12 , |
–––––
CA
| = 4√3 ,
–––––
CA
.
–––––
AB
 = 24 then √|AB|2−39
  • Your Answer:
Validate
Go to Question:
Prev Question
Next Question