Q 1173191046.     In triangle `ABC`, with usual notation, observe the two statements given below:

(i) `rr_1r_2r_3=Delta^2`

(ii) `r_1r_2+r_1r_3+r_3r_2=s^2`

Which of the following is correct?

EAMCET 2007
A

Both `I` and `II` are true

B

`I` is true, `II` is false

C

`I` is false,`II` is true

D

Both `I` and `II` are false

HINT

Use `r_1 =Delta/(s-a); r_2 =Delta/(s-b); r_3 =Delta/(s-c), r=Delta/s`

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