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| List-$I$ | List-$II$ |
| $(A) \ r_1 r_2 \sqrt{\frac{4R-r_1-r_2}{r_1+r_2}}$ | $1. \ b$ |
| $(B) \ \frac{r_2(r_3+r_1)}{\sqrt{r_1r_2+r_2r_3+r_3r_1}}$ | $2. \ a^2, b^2, c^2 \text{ એ } AP \text{ માં છે}$ |
| $(C) \ \frac{a}{c} = \frac{\sin(A-B)}{\sin(B-C)}$ | $3. \ \Delta$ |
| $(D) \ bc \cos^2 \frac{A}{2}$ | $4. \ R r_1 r_2 r_3$ |
| $5. \ s(s-a)$ |
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