r_1/(bc)+r_2/(ca)+r_3/(ab)= | कक्षा 12 | त्रिभुजों के गुण | गणित | संशय

Show that (r_(1))/(bc)+(r_(2))/(ca)+(r_(3))/(ba)=(1)/(r)-(1)/(2R)

There circle C_1,C_2 and C_3 with radii r_1 , r_2 and r_3 (where r_1 तीन वृत्त C_1,C_2 तथा C_3 जिनको त्रिज्याएँ r_1 , r_2 तथा r_3 है, (जहाँ r_1

Prove the questions a(r r_(1) + r_(2)r_(3)) = b(r r_(2) + r_(3) r_(1)) = c (r r_(3) + r_(1) r_(2))

In a !ABC if r_(1) = 8, r_(2) = 12 and r_(3) = 24, then a =