The point of the form (a, a) always lies on
Question:

The point of the form (a, a) always lies on

(a) X-axis      

(b) Y-axis        

(c)the line y = x          

(d) the line x + y =0

Solution:

(c) Since, the given point (a, a) has same value of x and y-coordinates. Therefore, the point (a, a), must be lie on the line y = x.

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