Question

Find the value of a if the distance between the points A(-3, -14) and B( a,-5) is 9 units
OR​

Answer 1

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Correct option is

Correct option isB1 or −7AB 2 =(5) 2

=(5) 2 =(x+3) 2 +(7−4) 2

=(5) 2 =(x+3) 2 +(7−4) 2 =25⇒x 2 +6x+9+9=25

=(5) 2 =(x+3) 2 +(7−4) 2 =25⇒x 2 +6x+9+9=25⇒x 2

=(5) 2 =(x+3) 2 +(7−4) 2 =25⇒x 2 +6x+9+9=25⇒x 2 +6x−7=0⇒(x+7)(x−1)=0⇒x=1orx=−7

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Answer 2

answer its:-

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