1.

Derive the formula for the distance between two points(x_1,y_1,z_1) and (x_2,y_2,z_2) and hence find the distance between P(1,-3,4) and Q(-4,1,2).

Answer»


ANSWER :` PQ= sqrt((x_(2)-x_(1))^(2)+ (y_(2)-y_(1))^(2)+(z_(2)-z_(1))^(2))`


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