wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Question 4
Find the value of a, if the distance between the points A(-3,-14) and B(a, -5) is 9 units.

Open in App
Solution

According to the question,
Distance between A(-3,-14) and B(a,-5), AB = 9
[distance between the points(x1,y1) and (x2,y2),d=(x2x1)2+(y2y1)2]
(a+3)2+(5+14)2=9(a+3)2+(9)2=9On squaring both the sides, we get(a+3)2+81=81(a+3)2=0a=3Hence, the required value of a is -3.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
Join BYJU'S Learning Program
CrossIcon