Math, asked by kavithanarayan1996, 7 months ago

(x, -1) and (8, 2 ) is 5 units

Answers

Answered by StrangeStark

Step-by-step explanation:

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it is given that the distance between the points A(x,–1) and B(8,2) is 5 units.

AB = 5

AB² = 5²

(8–X) ²+(2+1)² = 5²

(64+x²–16x)+3² = 25

x²–16x+64+9 = 25

x²–16x+73 = 25

x²–16x+73–25 = 0

x²–16x+48 = 0

x²–12x–4x+48 = 0

x(x–12)–4(x–12) = 0

(x–12)(x–4) = 0

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x–12 = 0. and. x–4 = 0

X = 12. x =4.

Hence, the value X is 12 and 4.

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Answered by Anonymous

Step-by-step explanation:

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(x, -1) and (8, 2 ) is 5 units​

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Hence, the value X is 12 and 4.

(x, -1) and (8, 2 ) is 5 units