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Question Number 183076 by Engr_Jidda last updated on 19/Dec/22

Answered by TheSupreme last updated on 21/Dec/22

t = tan(x)  10≥t≥(7/3)  (t−2)^π +(t+5)^π =(3t−7)^π +(10−t)^π   t−2=10−t ∨ t+5=3t−7  t=6 ∨ t=6 ✓ t=6 is a solution  t−2=3t−7 ∨ 10−t = t+5  t=(5/2) ∨ t=(5/2) ✓ is a solution    we have to proove that there are only 2 solutions

t=tan(x)10t73(t2)π+(t+5)π=(3t7)π+(10t)πt2=10tt+5=3t7t=6t=6t=6isasolutiont2=3t710t=t+5t=52t=52isasolutionwehavetoproovethatthereareonly2solutions

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