Все публикации

0:05:56

Find the direction cosines of a vector r ⃗ which is equally inclined with OX, OY and OZ. If....

0:01:43

Prove that [a ⃗, b ⃗, c ⃗+d ⃗ ]=[a ⃗, b ⃗, c ⃗ ]+[a ⃗, b ⃗, d ⃗ ]

0:03:20

Prove that [a ⃗+b ⃗, b ⃗+c ⃗, c ⃗+a ⃗ ]=2[a ⃗, b ⃗, c ⃗ ].

0:03:17

Show that the four points A, B, C and D with position vectors 4i ̂+5j ̂+k ̂, -(j ̂+k ̂ ), 3i ̂+9....

0:09:46

CONCEPT: EQUATION OF A LINE PASSING THROUGH TWO GIVEN POINTS

0:19:23

CONCEPT: SCALAR TRIPLE PRODUCT

0:01:28

Find λ if the vectors a ⃗=i ̂+3j ̂+k ̂, b ⃗=2i ̂-j ̂-k ̂ & c ⃗=λi ̂+7j ̂+3k ̂ are coplanar.

0:18:52

CONCEPT: EQUATION OF A LINE

0:03:40

Find a ⃗⋅(b ⃗×c ⃗ ), if a ⃗=2i ̂+j ̂+3k ̂, b ⃗=i ̂+2j ̂+k ̂ & c ⃗=3i ̂+j ̂+2k ̂.

0:51:20

COMPLETE EXERCISE 7.10 | ONE SHOT VIDEO

0:58:56

COMPLETE EXERCISE 7.9 | ONE SHOT VIDEO

1:10:34

COMPLETE EXERCISE 7.4 | ONE SHOT VIDEO

1:02:48

COMPLETE EXERCISE 7.3 | ONE SHOT VIDEO

0:57:01

COMPLETE EXERCISE 7.6 | ONE SHOT VIDEO

1:05:14

COMPLETE EXERCISE 7.2 | ONE SHOT VIDEO

0:17:54

COMPLETE EXERCISE 7.1 | ONE SHOT VIDEO

0:02:42

If A=[■(1&2&2@1&3&4@1&-1&3)], B=adj A, C=3A. Find |adj B|/|C| .

0:07:14

A body is launched from the ground & it follows a parabolic path given by y=ax^2+bx+c; a, b, c ∈ R..

0:09:39

If A=[■(3&2&1@4&-1&2@7&3&-3)], find A^(-1). Hence solve

0:09:50

Use the product [■(1&-1&2@0&2&-3@3&-2&4)][■(-2&0&1@9&2&-3@6&1&-2)] to solve:

0:03:21

Find (AB)^(-1) if A=[■(1&0@-4&2)] & B^(-1) [■(3&1@5&2)]

0:09:51

If A=[■(2&3&10@4&-6&5@6&9&-20)], find A^(-1). Using A^(-1) solve the system of equations: 2/x+3.....

0:13:45

If A=[■(2&-3&5@3&2&-4@1&1&-2)], find A^(-1). Hence solve the system of equations: 2x-3y+5-11....

0:00:43

If A is square matrix of order 3×3 such that |A|=2 then find |adj(adj A)|.