Questions
One possible condition for the three points and to be collinear is
detailed solution
Correct option is C
Given points will be collinear, ifab1ba1a2−b21=0⇒ab1b−aa−b0a2−a−b2−b0=0 Applying R2→R2−R1,R3→R3−R1⇒ (a−b)ab1−110a2−a −b2−b0=0⇒ (a−b)b2+b−a2+a=0⇒ (a−b)(a+b)−a2−b2=0⇒ (a−b)(a+b)(1−a+b)=0⇒ a=b or, a+b=0 or a=1+bTalk to our academic expert!
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Consider a point where m and n are positive integers.B is the reflection of A in the line is the reflection of B in the y-axis, D is the reflection of C in the x-axis and E is the reflection of D in the y-axis. The area of the pentagon is
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