Question

pls answer me of this question ​

Answer 1

Answer:

By using Distance Formula

AB = √(4 - 1) + (k - 0)

5 = √9 + (k)^2

Squarring on both side

25 = 9 + k^2

25 - 9 = k^2

16 = k^2

k = + - 4

Hence,value of k = + - k

Answer 2

Answer:

Don't know.............!!!!!