Question

In triangle ABC , if
b/(c²-a²) + c/(c²+b²) = 0 , then which of the following options is correct:-
1) A = 60
2) B = 60°
3) C = 60°
4) C = 90°​

Answer 1

Answer:

In a triangle ABC,a=4,b=3,∠A=600 then c is root of the equation c2−3c−7=0 (b) c2+3c+7=0 (c) c2−3c+7=0 (d) c2+3c−7=0