Question

19. Given A = (x + 2,-2) and B = (11. 6). Find
x if AB = 17​

Answer 1

Answer:

ANSWER

According to the question

AB=17

AB

2

=29

(11−x−2)

2

+(6+2)

2

=289⇒x

2

+81−18x+64=289

⇒x

2

−18x−144=0⇒x

2

−24x+6x−144=0⇒x(x−24)+6(x−24)=0⇒(x−24)(x+6)=0

x=24,−6