Question

What is the distance from the point (a, −b, −4) to the origin? units

Answer 1

Step-by-step explanation:

Here, X 1=a

Y1=- b

and,. Z1=- 4

also,at origin X2=Y2=Z3=0

therefore, using distance formula,we get,

$\sqrt{x1 { } ^{2} + y1 {}^{2} + z1 {}^{2} }$

then,

$\sqrt{a {}^{2} + ( - b) {}^{2} + ( - 4) {}^{2} }$

=

$\sqrt{a {}^{2} + b {}^{2} + 16}$

=

$\sqrt{a \times a + b \times b + 4 \times 4}$

$a + b + 4$

Answer