Question

solve the following questions .

4) find d(PR) if co-ordinate of P is (-1)and R is 4.​

Answer 1

Answer:

d(PR) =

$\sqrt{17}$

$d(pr) = \sqrt{ {( - 1)}^{2} + {(4)}^{2} }$

$d(pr) = \sqrt{1 + 16}$

$d(pr) = \sqrt{17}$