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The Centroid

12 The point ...

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12 The point P divides the line segment joning A(-5,1) and B(3,5) in the ratio of alpha : 1 internally .Point Qand R are (1,5) and (7,2) restactively .If area of tringle PQR is 2 then find the value of alpha ??

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A

divides the line segment joining the points

(- 5, 1)

(3, 5)

k : 1

. The coordinates of points

B

C

(1, 5)

(7, - 2)

respectively. If the area of

△ A B C

2

square units, then the number of values of

k

A

divides the join of the points

(5, 1)

(3, 5)

k : 1

and coordinates of points

B

C

(1, 5)

(7, 2)

respectively. If the area of

Δ A B C

2

k

A

divides the line segment joining the points

P (- 5, 1)

Q (3, 5)

k : 1

. Find the two values of

k

for which the area of

△ A B C

2

square units where

B

(1, 5)

C (7, - 2)

Q. Find the position vector of a point

R

which divides the line joining

A (- - 2, 1, 3)

B (3, 5, - 2)

2 : 1

(i) Internally
(ii) externally.

A

divides the line segment joining the points

(- 5, 1)

(3, 5)

k : 1

. The coordinates of points

B

C

(1, 5)

(7, - 2)

respectively. If the area of

△ A B C

2

square units, then the number of values of

k

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