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Question : 29 of 160
Marks:
+1,
-0
Solution:
We have
OA=a,OB=b OP=x1a+y1b,OQ=xx2a+y2b where,
x1=‌,x2=‌,y1=‌,y2=‌ ∴‌‌‌ OP ‌=‌a+‌b OQ=‌a+‌b OP=‌ ∴ OP divides
AB externally in ratio
7:3.
Also,
A′O=OA=a ∴‌‌OA′=−a B′O=OB=b OB′=−b
Clearly
p lies inside the
∆A′OB and
Q lies outside the
∆AOB.
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