WebStep by step ... a2 (b-c)+b2 (c-a)+c2 (a-b) Final result : a2b - a2c - ab2 + ac2 + b2c - bc2 Reformatting the input : Changes made to your input should not affect the solution: (1): "c2" was replaced by "c^2". 2 ... (a+b+c) (ab-bc-ca)+abc Final result : a2b - a2c + ab2 - ac2 - b2c - bc2 Step by step solution : Step 1 :Equation at the end of ... Web3cot B 2 = cot A 2cot B 2cot C 2 ⇒ cot A 2cot C 2 = 3 Now, A.M.≥G.M. ⇒ cot A 2 +cot C 2 ≥ 2√cot A 2cot C 2 ⇒ 2cot B 2 ≥2√3 ∴ cot B 2 ≥√3 Suggest Corrections 1 Similar questions Q. If ABC is a triangle and tan A 2,tan B 2,tan C 2 are in H.P., then find the minimum value of cotB/2. Q. Let A,B and C represents the angles of ABC.
In $\\triangle ABC$, $(b^2-c^2) \\cot A+(c^2-a^2) \\cot B +(a^2-b^2 ...
WebJan 4, 2024 · 4abc = -20 Step-by-step explanation: Given data a+b+c = 5 a²+ b² + c² = 27 a³ + b³ + C³ = 125 To find - 4 abc (a+b+c)² = a² + b² + c² + 2ab + 2bc +2ca ------------> 1 Substitute the values of (a+b+c) and a²+b²+c² in the equation 1 (5)² = 27 + 2 (ab + bc+ ca) 25 = 27 + 2 (ab + bc+ ca) -2 = 2 (ab + bc+ ca) Eliminate 2 on both sides of the equation WebApr 13, 2024 · Sorted by: 1. The following identity is very useful. tan A 2 tan B 2 + tan A 2 tan C 2 + tan B 2 tan C 2 = 1. From here C = 90 ∘. We can get this result by geometric way. Let … mechanical obstruction
Solve a-b+ab,b-c+bc,c-a+ac Microsoft Math Solver
WebIf a = 7, b = 3, c = 5 and a b ( tan B 2 + tan C 2 ) ( tan A 2 + tan C 2 ) + b c ( tan A 2 + tan C 2 ) ( tan A 2 + tan B 2 ) + a c ( tan B 2 + tan C 2 ) ( tan A 2 + tan B 2 ) equals k , then the value of √ k + 1 2 is WebJul 3, 2024 · 4abc = -20. Given To find value of 4abc : = ? Formula : ( 1 ) ( 2 ) Using formula ( 1 ), Substitute the values, -----> ( A ) Using formula ( 2 ), 25 - 3abc = ( 5 ) ( 27 - (ab+bc+ca) ) Now apply ( A ) value in above equation, 125 - 3abc = ( 5 ) ( 27 - (ab+bc+ca)) 125 - 3abc = ( 5 ) ( 27 - ( - 1 ) ) 125 - 3abc = ( 5 ) ( 27 + 1 ) WebClick here👆to get an answer to your question ️ In ABC, a^2 + c^2 = 2002b^2 , then cotA + cotCcotB equals to ... Solve Study Textbooks Guides. Join / Login. Question . In A B C, a 2 … pellworm hollandwarft