STATEMENT-1: In a triangle ABC, the harmonic mean of the three exradii is three times the inradius. STATEMENT-2: In any triangle `ABC, r_1+r_2+r_3=4R`. (A)STATEMENT-1 is true, STATEMENT-2 is true and STATEMENT-2 is correct explanation forSTATEMENT-1

STATEMENT-1: In a triangle ABC,the harmonic mean of the three exradii is three xx the inradius.STATEMENT-2: In any triangle ABC,r_(1)+r_(2)+r_(3)=4R (A)STATEMENT-1is true,STATEMENT-2is true and STATEMENT-2is correct explanation forSTATEMENT-1

In any triangle ABC, r_1r_2+r_2r_3+r_3r_1=

Statement 1 : 3,6, 12 are in GP, then 9, 12, 18 are in H. P.Statement 2: If three consecutive terms of a G.P. are positive and if middle term is added in these terms,then resultant will be in H.P(A)STATEMENT-1 is true, STATEMENT-2 is true and STATEMENT-2 is correct explanation forSTATEMENT-1STATEMENT-1 is true, STATEMENT-2 is true and STATEMENT-2 is not correct explanation forSTATEMENT-1STATEMENT-1 is true, STATEMENT-2 is falseSTATEMENT-1 is false, STATEMENT-2 is true(B)(C)(D)

In any triangle ABc, r_(1)r_(2)+r_(2)r_(3)+r_(3)r_(1)=

In a triangle ABC let angle C=pi//2 . If r is the inradius and R is the circumradius of the the triangle ABC, then 2(r+R)=

In any triangle ABC, r_(1),r_(2)+r_(2)r_(3)+r_(3)r_(1)=....

Statment 1 |Delta_(f)H|" of "(H_(2)O,l)gt|Delta_(f)H|" of "(H_(2)O,g) Statment 2 DeltaH_("condensation") is negative. (a)If both the statements are TRUE and STATEMENT-2 is the correct explanation of STATEMENT-1 (b)If both the statements are TRUE but STATEMENT-2 is NOT the correct explanation of STATEMENT-1 (c)If STATEMENT-1 is TRUE and STATEMENT-2 is FALSE (d)If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE

In Delta ABC , 4 ( r_1r_2 + r_2r_3+ r_3r_1) =