Question 86

The point P (a,b) is first reflected in origin to P1 and P1 is reflected in Yaxis to (4,3). The coordinates 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,

=> $$(a,-b) = (4,3)$$

=> $$a = 4$$ and $$b = -3$$

$$\therefore$$ Coordinates of Point P = (4,-3)

=> Ans - (A)

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The point P (a,b) is first reflected in origin to P1 and P1 is reflected in Y­axis to (4,­3). The co­ordinates of point P are