Question

pls ans this ques....pls....​

Answer 1

Answer:

I hope you have got the answer.

Answer 2

Answer:

1/2

Step-by-step explanation:

P (-1,2)

A (2.k)

B (k,-1)

PA=PB

PA²=PB²

⇒(2+1)²+(k-2)²=(k+1)²+(-1-2)²

⇒9+k²+4-4k=k²+1+2k+9

⇒4-4k=1+2k

⇒3=6k

⇒k=1/2

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