7. If the point C (k, 4) divides the join of points A(2, 6) and B (5, 1) in the ratio 2 : 3, then the value of
k is
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Step-by-step explanation:
Formula
O( x, y)= {m1x2+m2x1/m1+m2, m1y2+m2y1/m1+m2}
m1=2, m2=3
x1=2, x2=5
y1=6, y2=1
C(k,4)={ 2*5+ 3*2/2+3, 2*1+3*6/2+3}
C(k,4)= {10+6/5, 2+18/5}
C(k,4)={16/5,20/5}
C(k,4)={16/5, 4}
k=16/5=3.2
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