(A) 0 ≤ r ≤ 1
(B) 0 ≤ r ≤ -1
(C) -1 ≤ r ≤ 1
(D) 1 ≤ r ≤ 0
[showhide type=”post” more_text=”►Correct Option” less_text=”Show less…”]
Correct Option is: C
[/showhide]
(A) 0 ≤ r ≤ 1
(B) 0 ≤ r ≤ -1
(C) -1 ≤ r ≤ 1
(D) 1 ≤ r ≤ 0
[showhide type=”post” more_text=”►Correct Option” less_text=”Show less…”]
Correct Option is: C
[/showhide]