Q 3 Which condition is true for the given graph a) A1/b1# A2/ b2 b) a/1 b/1 =a/2 b/2=a/3 b/3 c) a/1 b/1=a/2 b/2 d) a/1 b/1 = A/2 b/2 #a/3 b/3
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Answer:
Step-by-step explanation:
given points (a
1
,b
1
)(a
2
,b
2
)(a
1
+a
2
,b
1
+b
2
)
for the points to be collinear the slope must be equal
a
2
−a
1
b
2
−b
1
=
a
1
+a
2
−a
2
b
1
+b
2
−b
2
a
2
−a
1
b
2
−b
1
=
a
1
b
1
b
2
a
1
−a
1
b
1
=a
2
b
1
−a
1
b
1
∴a
1
b
2
=a
2
b
1
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