M and N are two points on x-axis and y-axis respectively . P (3,2) divides the line segment MN in the ratio 2:3. Find the coordinates of M and N and the slope of the line MN.
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Answer:
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Step-by-step explanation:
Using formula
X=(m1 x2 + m2 x1)/(m1+m2) and
Y=(m1 y2 + m2 y1)/(m1+m2)
Let , point M and N be (x',0) and (0,y')
then according to given question
3=(2*0 + 3x')/2+3
15= 3x'
x'= 5
and,
2=(2y'+3*0)/2+3
10=2y'
y'=5
therefore, coordinates of M is (5,0) and N is (0,5).
Slope of line MN is
= (Y2-Y1)/X2-X1)
= (5-0)/(0-5)
= 5/-5
= -1
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