Math, asked by mannat7820, 8 months ago

If A = (x,-7), B = (2, 5) and AB = 13
units, find x

Answers

Answered by Unicorn1000

2

Step-by-step explanation:

√(x-2)² +(5+7)² = 13

x² +4 + 4x +144 = 169

x² + 4x = 21

x² + 4x - 21 = 0

(x+7)(x-3) = 0

x= -7 or x = +3

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