Subject: Maths, asked on 8/2/18

## No links please Q6. If   are three vector such that  then show that  is perpendicular to $\stackrel{\to }{\mathrm{b}}-\stackrel{\to }{\mathrm{c}}$.

Subject: Maths, asked on 7/2/18

## Plz Solve @20 ​Q20. Prove that :

Subject: Maths, asked on 7/2/18

## If vectors a,b and c are three mutually perpendicular vectors of same magnitude, prove that a (vector) +b (vector)+c (vector) is equally inclined with the vectors a, b and c

Subject: Maths, asked on 30/1/18

## A particle has initial velocity v=(9i-6j) m/s and a constant force F=(2i+3j)N acts on the particle. The path of the particle will be? 1) Straight line 2) Parabolic 3) Circular 4) Elliptical

Subject: Maths, asked on 30/1/18

## Force acting on a particle is (3i+2j). Work done by this force is zero, when the particle is moved on the line 3y+kx=5. Value of k is?

Subject: Maths, asked on 30/1/18
Subject: Maths, asked on 29/1/18

## If a,b,c are the lengths of the sides opposite respectively to the angles A,B,C of a triangle ABC, then show by vector method cos A= (b^2 + c^2 - a^2)/2bc

Subject: Maths, asked on 23/1/18

## ​at 8.00 AM ship A is 65 km due east of another ship B . Ship A is then sailing due west at 10km/hr and ship B is sailing due south at 15km/hr . if they continue sailing onh their respective paths , when will they be nearest to one another and how near ? Suggest a way in which fishermen can protect themselves in an emergency.

Subject: Maths, asked on 22/1/18
Subject: Maths, asked on 16/1/18

Subject: Maths, asked on 15/1/18

## No links please Choose the correct answer from the given alternative :   Qiv). A unit vector perpendicular to both the vectors        a)       b) ​   c) ​ d) ​​​

Subject: Maths, asked on 15/1/18

## Solve this:

Subject: Maths, asked on 13/1/18

## What would be the length of the longest chord?

Subject: Maths, asked on 13/1/18

## What will be the length of the longest chord of a circle that passes through the point (-1,0) and touches the y-axis at (0,2) ?

Subject: Maths, asked on 11/1/18

## When are two vectors orthagonal?

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