Question

for which value of p the distance between the points (2,1)and(p,-1)is 2 unit ​

Answer 1

Answer:

√(2-p)²+(1+1)²=2

=> 2²+p²-4p+2² = 2²

=> p²-4p+4 = 0

=> (p-2)² = 0

=> p-2=0

=> p=2

Answer 2

Answer:

Hi, Answer is in attachment.

It is a simple answer which you can directly write in exam.

I hope it helps.