Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Vector Algebra question

2003 · Shift 0 · Q91
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Vector Algebra
  5. /2003 · Shift 0 · Q91

Vector Algebra question

2003 · Shift 0 · Q91

JEE MainMathematicsVector AlgebraMCQ+4 / −1
The vectors AB→=3i^+4k^  &  AC→=5i^−2j^+4k^\overrightarrow {AB} = 3\widehat i + 4\widehat k\,\,\& \,\,\overrightarrow {AC} = 5\widehat i - 2\widehat j + 4\widehat kAB=3i+4k&AC=5i−2j​+4k are the sides of triangle ABC.ABC.ABC. The length of the median through AAA is :
  1. A
    288\sqrt {288}288​
  2. B
    18\sqrt {18}18​
  3. C
    72\sqrt {72}72​
  4. D
    33\sqrt {33}33​
PreviousNext

More from Vector Algebra

  • a,b,c are 3 vectors, such that a+b+c=0, ​a​=1​b​=2,​c​=3,…2003 · MCQ
  • A tetrahedron has vertices at O(0,0,0),A(1,2,1)B(2,1,3) and C(−1,1,2). Then the angle between the faces OAB and ABC will be :2003 · MCQ
  • If ​abc​a2b2c2​1+a31+b31+c3​​=0 and vectors (1,a,a2),(1,b,b2)…2003 · MCQ
  • Consider points A,B,C and D with position vectors 7i−4j​+7k,i−6j​+10k,−i−3j​+4k and 5i−j​+5k…2003 · MCQ
  • If ​a​=4,​b​=2 and the angle between a and b is π/6 then (a×b)2…2002 · MCQ
  • If the vectors a,b and c from the sides BC,CA and AB respectively of a triangle ABC, then :2002 · MCQ
  • If ​a​=5,​b​=4,​c​=3 thus what will be the value of ​a.b+b.c+c.a​,…2002 · MCQ
  • a=3i−5j​ and b=6i+3j​ are two vectors and c is a vector such that c=a×b then ​a​:​b​:​c​…2002 · MCQ