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Sir kindly give me the solution for question number 2

Sir kindly give me the solution for question number 2

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Grade:11

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
it is cleqrly written as 
 
2s * 2(s- a) * 2(s- b) * 2(s- c) / 4 b2 c2
 
 
4 * delta2 / b2 c2
 
4 b2 c2 sin2 A / 4 b2 c2
 
sin^2 A
 

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