Question 88

The point P(a,b) is first reflected in origin to P1 and P1 is reflected in y-axis to (6,-5). The co-ordinates of point P are

Solution

P(a,b) after reflection at the origin = (-a,-b)

Reflection of point (-a,-b) in the y-axis is (a,-b)

According to ques,

=> $$(a,-b) = (6,-5)$$

=> $$a = 6$$ and $$-b = -5$$

$$\therefore$$ Coordinates of Point P = (6,5)

=> Ans - (B)

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