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" 4.Show that (i) "a=(r(2)+r(3))sqrt((rr...

" 4.Show that (i) "a=(r_(2)+r_(3))sqrt((rr_(1))/(r_(2)r_(3)))

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(r_(2)+r_(3))sqrt((r r_(1))/(r_(2)r_(3)))=

(r_(2)+r_(3))sqrt((r r_(2))/(r_(2)r_(3)))=

(r_2+r_3) sqrt((r r_1)/( r_2r_3)) = a

Prove that (r_(1)(r_(2)+r_(3)))/(sqrt(r_(1)r_(2)+r_(2)r_(3)+r_(3)r_(1)))=a

Show that r_(1)+r_(2)+r_(3)-r=4R

In triangle ABC,(r_(3)+r_(1))sqrt([(rr_(1))/(r_(3)r_(1))])=

Show that rr_(1)r_(2)r_(3)=Delta^(2)

In triangle ABC,(r_(3)+r_(1))sqrt([(rr_(2))/(r_(3)r_(1))])=

In DeltaABC, " show that " (ab-r_(1)r_(2))/(r_(3))=(bc-r_(2)r_(3))/(r_(1))=(ca-r_(3)r_(1))/(r_(2))