Question

(it) (a, -1) and (5, 3) is 5 units​

Answer 1

Answer:

Step-by-step explanation:

d=√(x2-x1)+(y2-y1)

5=√(5-a)²+(3+1)²

5=√(5²-2.a.5+a²)+16

5=√(25-10a+a²+16)

5=√a²-10a+41

squaring on both sides

25=(√a²-10a+41)²

25=a²-10a+41

a²-10a+16=0

Answer 2

Answer:

which programming language ????

c , c++, python, Java or Sql ?????