Question No. 21 to 26 are Very short answer Type questions of 2 marks each.
1.
Find the value of a if the distance between the points A(-3,-14) and B(a,-5) is 9 units
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Answer:
√(a+3)^2+(-5+14)^2=9
(a+3)^2+81=81
(a+3)^2=0
a+3=0
a=-3
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