Subject: Maths, asked on 20/3/18

## Solve . Dont send links please

Subject: Maths, asked on 19/3/18

## Q. If the position vector of A, B, C are 2i + 4j— k, 4i + 5j + k and 3i + 6j — 3k respectively, then show that triangle ABC is right angle.

Subject: Maths, asked on 19/3/18

## Q.):-  If $\underset{a}{\to },\underset{b}{\to },\underset{c}{\to }$ are three vectors such that $\underset{a}{\to }\ne 0$ and $\underset{a}{\to }.\underset{b}{\to }$ = $\underset{a}{\to }.\underset{c}{\to }$and $\underset{a}{\to }×\underset{b}{\to }=\underset{a}{\to }×\underset{c}{\to }$ ; prove that $\underset{b}{\to }=\underset{c}{\to }$.

Subject: Maths, asked on 19/3/18
Subject: Maths, asked on 18/3/18

## Q-20)

Subject: Maths, asked on 18/3/18

## No links please: (ii) If  are unit vectors satisfying the condition  then show that

Subject: Maths, asked on 18/3/18

## No links please: (i) If  then show that

Subject: Maths, asked on 17/3/18

## No links please ​Qii). If the vectors  are coplanar, then prove that the vectors  are coplanar.

Subject: Maths, asked on 17/3/18

## ?nswer it

Subject: Maths, asked on 16/3/18

## Please explain the underlined steps??? Also how is (a vector cross i cap)^2 calculated??? Does while square of Vectors exist??? Isnt square only possible of magnitude of Vectors and Not vectors themselves????

Subject: Maths, asked on 15/3/18

## Solve 44.  The two adjacent sides of a parallelogram are . Find the two unit vectors parallel to its diagonals. Using the diagonal vectors, find the area of the parallelogram.

Subject: Maths, asked on 15/3/18
Subject: Maths, asked on 15/3/18

## Solve.it.dont send link i.have already referred to link and its.not at all explainatory

Subject: Maths, asked on 15/3/18

## Q. Find a vector of magnitude 5 units, and parallel to the resultant of the vectors

Subject: Maths, asked on 14/3/18

## Please answer fast Q.2.  ​Represent graphically a displacement of 25 km, $60°$        (i)  North to East                                        (ii)  East to North

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