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## Show that the vectors 2i-cap - j-cap + k-cap, i-cap - 3j-cap, 3i-cap - 4j-cap - 4k-cap form the sides of a right angled triangle.

Asked by sunil2791 17th November 2017 6:56 PM

## Show that the points A,B,C with position vectors 2i-cap - j-cap + k-cap, i-cap - 3j-cap - 5k-cap and    3i-cap - 4j-cap - 4k-cap respectively are the vertices of a right angled triangle. Also, find the remaining angles of the triangle.

Asked by sunil2791 17th November 2017 7:01 PM

## The vector b= 3j + 4k is to be written as the sum of a vector u parallel to A= i +j and a vector v perpendicular to A. Then find value of u.

Asked by sunil2791 17th November 2017 7:05 PM

## If a,b,c are vectors such that a.b=a.c, axb=axc, a not equal to 0, then show that b=c.

Asked by sunil2791 17th November 2017 7:08 PM

## If a x b = b x c ≠ 0, then show that a + c =kb where k is a scalar.

Asked by sunil2791 17th November 2017 7:12 PM

## For any vector a, show that i-cap x (a x i-cap) + j-cap x (a x j-cap) + k-cap x (a x k-cap) =2a.

Asked by sunil2791 17th November 2017 7:17 PM

## If a is any vector then prove that a=(a.i)+(a.j)j+(a.k)k.

Asked by sunil2791 21st November 2017 6:04 PM

## Find the values of u for which the angle between the vectors a=2u^2i+4uj+k and b=7i-2j+uk is obtuse.

Asked by sunil2791 21st November 2017 6:13 PM

## If a+b+c=0 and |a|=3, |b|=5, |c|=7, find the angle between a and b.

Asked by sunil2791 24th November 2017 7:20 PM

## Asked by jaychandran1967 30th November 2017 9:26 PM Answered by Expert

### JEE Plances ALL Class Mathematics Vectors

Asked by jaychandran1967 30th November 2017 9:49 PM

### JEE Plances ALL Class Mathematics 3D Geometry

Asked by Umesh 1st December 2017 9:51 AM

## A vector n of magnitude 8 units is inclined to x-axis at 45° , y-axis at 60° and at an acute angle with     z-axis. If a plane passes through a point (√2,-1,1) and is normal to n, find the equation in vector form.

Asked by sunil2791 8th December 2017 7:00 PM

### CBSE XII Science Mathematics Vector Algebra

Asked by akshitaasia 19th March 2018 11:04 AM

## If the frame of reference is translated or rotated, the vector doesn't change. How is this possible??

Asked by bidrohiSP57 29th September 2018 8:30 AM

## if vector a =  4 i + 5j – k , vector b = i – 4j + 5 k  and vector c = 3i + j – k, find a vector d  which is perpendicular to both vector a and vector b for which a vector . d vector = 21         i j and k and k are unit vector

Asked by haroonrashidgkp 1st November 2018 7:26 PM

## verify that a x ( b + c) = ( a x b) + ( a x c) a = i – j – 3k  b = 4i – 3j + k c = 2i – j +2k a , b and c are vector         i j and k and k are unit vector

Asked by haroonrashidgkp 1st November 2018 7:28 PM

## verify that a x ( b + c) = ( a x b) + ( a x c)   a = 4i – j + k b = i + j + k  c = i- j + k a , b and c are vector         i j and k and k are unit vector

Asked by haroonrashidgkp 1st November 2018 7:30 PM

## find area of IIgm whose diagonals are represented by vectors  d1 = 2i – j + k  d2 = 3i + 4j – k i j and k and k are unit vector

Asked by haroonrashidgkp 1st November 2018 7:32 PM

## Show that the points having position vector a , b , ( c = 3 a – 2b) are collinear whatever a b and c a , b and c are vector     explain in great detail

Asked by haroonrashidgkp 2nd November 2018 9:27 PM