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class 11th maths formulas
the coordinate of points P,Q,R and S are (-3,5), (4,-2), (p,3p) (6,3), respectively, and the areas of triangle PQR and QRS are in ratio 2:3 .find the value of p.
how to prove that the given points are collinear by using section formula??
the vertices of a triangle ABC are A (3,2,0), B(5,3,2) and C (-9,6,-3). the bisector AD of angle A meets BC at D. find the coordinates of D.
find the ratio in which the join of A (2,1,5) b(3,4,3) is divided by the plane 2x+2y-2z =1..also find coordinates of the pt. of division ?
Find the ratio in which the sphere x2 + y2 + z2 = 504 divides the line joining the points (12, -4, 8) and (27, -9, 18). PLZZZZZZ GIVE THE ANSWER BY TODAY ITSELF!!!!!!!!!!!!!!!!. I will give thumbs up to those who will give me the answer!!!!!!!!!!!!!!!!.
finding the locus of a midpoint of the portion of the line xcosA+ysinA=p which is intercepted between the axes
what is the value of 3 root 3
1) In triangle ADE, BC is parallel to DE. Ar of triangle ABC = 25 sq.cm, ar of trapezium BCED = 24 sq.cm and DE = 14 cm. Calculate the length of BC. (this I found to be 10 cm). Also find the area of triangle BCD. ( I am stuck here).
2) In a trapezium ABCD, AB is parallel to DC and diagonals AC and BD intersect at point P. If AP : CP = 3 : 5, find : a) triangle APB : triangle CPB (b) triangle DPC : triangle APB (c) triangle ADP : triangle APB (d) triangle APB : triangle ADB.
Find the equation of the ellipse which passes through the point, [4,1] and having its foci at [+-3,0].
Find the coordinates of the points which trisect the line segment joining the points P (4, 2, –6) and Q (10, –16, 6).This is an exercise question(ex 12.3,Q-5)couldn't we do the same problem like this:
if it is a trisect then first we can find the mid point of PQ,say R
And then wouldn't the midpoint of R&P,R&Q be the points required????
find the distance of the point P(-4,3,5) from the coordinate axes.
plz answer asap
Find the distance of the point (3,4,5) from x-axis.
find the coorinates of the center of the circle inscribed in the triangle whose vertices are (-36,7)(20,7)(0,-8)
The vertices of a triangle are A(5,4,6) ,B(1,-1,3)&C(4,3,2). The internal bisector of angleA meetsBC at D. Find the coordinates of D and the length AD
find the equation of the locus of the point which moves such that the ratio of the distances from (2,0)and (1,3)is 5:4
Derive an expression for the coordinates of a point that divides the line joining the points A(x1,y1,z1) and B(x2,y2,z2) internally in the ratio m:n .Hence find the coordinates of the midpoint of AB where A=(1,2,3) and B=(5,6,7).
Find the equation of the set of points P,the sum of whose distances from A(4,0,0)and B(-4,0,0) is 10
Show that the plane ax + by + cz + d = 0 divides the line joining the points(x1 , y1, z1) and (x2, y2, z2) in the ratio
- ax1+ by1+ cz1+ d / ax2 + by2 + cz2 + d .
Plzzzz answer to my question!!!!!!. I will give thumbs up surely!!!!!!!!!!.
In a regular hexagon ABCDEF, prove that-
AB +AC + AD + AE + AF = 3AD = 6AO ; where O is the centre of the hexagon.
( AB, AC...AO- are all vectors)
what do you mean by external and internal division?
Find the distance of the point ( 1, 2, 0) from the point where the line joining A (2, -3, 1 ) and B ( 3, -4, -5) cuts the plane 2x + y + z = 7.
coordinates of the point which divides the line segment joining the
points (–2, 3, 5) and (1, –4, 6) in the ratio (i) 2:3
internally, (ii) 2:3 externally.
Determine the point in XY plane which is equidistant from the points A (1, –1, 0) B(2, 1, 2) and C(3, 2, –1)
ratio in which the YZ-plane divides the line segment formed by
joining the points (–2, 4, 7) and (3, –5, 8).
what is the meaning of externally dividing a line segment?
pl answer asap
find the points on z axis which is equidistance from poinnt A (1,5,7) and B (5,1,-4).
Is there any trick to remember the sign conventions in each octant???????
the vertices of triangle ABC are A(0,0) B(2,-1) C(9,2),find cosB
Using section formula, prove that the points (-4,6,10) , (2,4,6) and (14,0,-2) are collinear.
Find the distance of the point (1,2,0) from the point where the line joining A(2,-3,1) and B(3,-4,5) into the plane 2x+y+z=7?
prove that the following vectors are perpendicular to each other:
2i-j+k & i-3j-5k
Show that the sum of three vectors determined by the medians of a triangle directed from the vertices is zero.
Find the ratio in which the line segment joining the point A(2,1,5) and B(3,4,3) is divided by the plane 2x+2y-2z=1. Also find the coordinates. Please answer quickly! i have an exam tomorrow!
Three vertices of a parallelogram ABCD are A (3, –1, 2), B (1, 2, –4) andC (–1, 1, 2). Find the coordinates of the fourth vertex.
find values of A and B so that the points (a,b,3), (2,0,-1), and (1,-1,3) are collinear
find the equation of set of points P such that PA2 +PB2=2K2 ,where A&B are the points (3,4,5) and (-1,3-7) respectively
Find the distance between(-3,4,6) and its image in XY-plane.
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