Subject: Maths, asked on 26/1/18

## 1.  If are the roots of the equation ${x}^{2}+\left(\sqrt{3}+2\right)×+\left(\sqrt{3}-1\right)=0$ , then find the area of the triangle formed by the lines y = ${m}_{1}x$, y = . 2.  If are in A.P. and are in A.P.  Prove that points and are collinear. 3.  A(1, 4), B(-1, 2) and C(5, -2) are the vertices of a $∆$ABC.  Find the co-ordinates of the point where the right bisector of BC intersects the median through C. 6.  Prove that in a right angled triangle the mid point of the hypotenuse is equidistant from vertices.

Subject: Maths, asked on 26/1/18

## Q-11 both parts fast i am a paid member Q.11. If (- l, 3), (1, - 1) and (5, 1) are the vertices of a triangle. Find the length of median through first vertex.                                                                             OR The vertices of triangle (x, 1), (y, 2) and (- 3, ${z}^{2}$). Find the condition that centroid may lie on y-axis.

Subject: Maths, asked on 23/1/18

## The angle of elevation of the top of the tower from two points A and B present in the same line and at a distance of 'a and b' respectively from the foot of the tower, are complementary. Prove that height of the tower is $\sqrt{ab}$.

Subject: Maths, asked on 21/1/18

## 7,8,9

Subject: Maths, asked on 21/1/18

## 26,27,28 pls answer ASAP

Subject: Maths, asked on 21/1/18

## If the vertices of a traingle have integral coordinates, prove that the triangle cannot be equilateral. Solve it and what is integral coordinates?

Subject: Maths, asked on 16/1/18

## Q.18. If the points A (- 2, b ), B (a, b) and C (4, - 1) are collinear and a - b = 1, find the values of a and b.

Subject: Maths, asked on 16/1/18

## Solve this: A(6, 1), B(8, 2), C(9, 4) are three vertices of a parallelogram ABCD. If E is the midpoint of DC, find the area of the triangle AED.

Subject: Maths, asked on 14/1/18

## Q. In what ratio point P(2,-5)divide the line segment joining A(-3,5) and B (4,-9)

Subject: Maths, asked on 14/1/18

## 8. Find the mean of the following frequency distribution by using stepdeviation method.    Classes Frequency 0-10 7 10-20 12 20-30 13 30-40 10 40-50 8

Subject: Maths, asked on 14/1/18

## Q. Find a point on y-axis which is equidistant from A (6,5) and B (-4,3)

Subject: Maths, asked on 13/1/18

## From where does (3q+1)(3q+2) become 2r

Subject: Maths, asked on 13/1/18

## Q.16 In what ratio does the y-axix divide the line joining the points (-4,5) and (8,3) . Also, find the point of intersection.

Subject: Maths, asked on 13/1/18
Subject: Maths, asked on 13/1/18
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