Subject: Maths, asked on 9/1/18

## Without expanding prove that: $\left|\begin{array}{ccc}{\mathrm{log}}_{x}xyz& {\mathrm{log}}_{x}y& {\mathrm{log}}_{x}z\\ {\mathrm{log}}_{y}xyz& 1& {\mathrm{log}}_{y}z\\ {\mathrm{log}}_{z}xyz& {\mathrm{log}}_{z}y& 1\end{array}\right|=0$

Subject: Maths, asked on 9/1/18

## Without expanding prove that $\left|\begin{array}{ccc}7& 12& -3\\ 9& 14& -1\\ 8& 13& -2\end{array}\right|=0$

Subject: Maths, asked on 9/1/18

## 20. Find the common tangents to the hyperbola x2- 2y2 = 4 and the circle...

Subject: Maths, asked on 9/1/18
Subject: Maths, asked on 9/1/18

Subject: Maths, asked on 9/1/18

## No links please Q.27. Show that the length of the portion of the tangent to the curve ${x}^{\frac{2}{3}}+{y}^{\frac{2}{3}}=4$ at any point on it, intercepted between the coordinate axes is constant.

Subject: Maths, asked on 9/1/18

Subject: Maths, asked on 9/1/18

Subject: Maths, asked on 9/1/18

## No links please Chapter name: TANGENT AND  NORMAL

Subject: Maths, asked on 9/1/18

Subject: Maths, asked on 7/1/18

## Q. Find the general solution of  the differential equation (1+y2) + ( x - etan-1y​ ) $\frac{dy}{dx}$ = 0

Subject: Maths, asked on 7/1/18

## Q. Find the general solutions of (x +2y3) $\frac{dy}{dx}=y.$

Subject: Maths, asked on 30/12/17

## Q. Show that the points whose position vectors are

Subject: Maths, asked on 29/12/17

## ​solve : y-x (dy /dx)=2(y^2+dy/dx)

Subject: Maths, asked on 28/12/17

## Write the order of the differential equation of the family of the following curves : (1).y=Ae^x + B e^( x+c)

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