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Properties Of Vectors

CBSE XII Science Mathematics Vector Algebra

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
Answered by Expert

CBSE XII Science Mathematics Vector Algebra

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
Answered by Expert

CBSE XII Science Mathematics Vector Algebra

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
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CBSE XII Science ALL Subject

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
Answered by Expert

CBSE XII Science Mathematics Vector Algebra

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
Answered by Expert

CBSE XII Science Mathematics Vector Algebra

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
Answered by Expert

CBSE XII Science Mathematics Vector Algebra

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
Answered by Expert

CBSE XI Science Mathematics Introduction to Three Dimensional Geometry

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
Answered by Expert

JEE ALL Class Mathematics Vectors

please solve the 25th

Asked by jaychandran1967 30th November 2017 9:49 PM
Answered by Expert

JEE ALL Class Mathematics 3D Geometry

Answer this please

Asked by Umesh 1st December 2017 9:51 AM
Answered by Expert

CBSE XII Science Mathematics Vector Algebra

Please help me with this question

Asked by akshitaasia 19th March 2018 11:04 AM
Answered by Expert

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