Question

find the distance between the pair of points (a,b), (-a,-b).​

Answer 1

Answer:

given

the pair of points are (a,b) and(-a,-b)

put distance formula

D=√{(X1-x2)^2+(y1-y2)^2}

then

D=√{(a-(-a))^2+(b-(-b))^2}

=√{(2a)^2+(2b)^2}

=√{4(a^2+b^2)}

=2√(a^2+b^2)