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milKO39
@milKO39
July 2022
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Найдите координаты вектора АБ и его длину, если А(1; 0; 2),Б(-2; 4; 2)
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oganesbagoyan
Verified answer
X(
AB
)= x(B) -x(A)= -2 -1=
-3
;
y(
AB)
=y(B) -y(A) = 4 -0 =
4
;
z(
AB)
= z( B)-Z(A) =2-2
=0.
AB{ - 3 ; 4 ; 0}.
|
AB| =
sqrt( (- 3)² + 4² +0²) =sqrt(25)
= 5
;
-----------------------------------------------------------
!!! sqrt это кв корень √
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Answers & Comments
Verified answer
X(AB)= x(B) -x(A)= -2 -1= -3 ;y(AB) =y(B) -y(A) = 4 -0 = 4;
z(AB) = z( B)-Z(A) =2-2 =0.
AB{ - 3 ; 4 ; 0}.
|AB| = sqrt( (- 3)² + 4² +0²) =sqrt(25) = 5 ;
-----------------------------------------------------------
!!! sqrt это кв корень √