We will solve 4 impossible-looking equations, sqrt(x)+sqrt(-x)=2, ln(x)+ln(-x)=0, e^x+e^(-x)=0, and sin(x)+sin(-x)=2. From verifying the domains of the functions to finding real solutions, we go step-by-step through each equation. And just when you think you've got it figured out, we hit you with one more equation that's sure to blow your mind! Get ready to flex your mental muscles and solve some of the trickiest equations out there. #math #equation #blackpenredpen

0:00 sqrt(x)+sqrt(-x)=2
3:27 ln(x)+ln(-x)=0
6:10 e^x+e^(-x)=0
10:29 sin(x)+sin(-x)=2
Here's the video for Q4    • sin(x)+sin(-x)=2  

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