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Find a and b (both real) when (a+b*i)^2=i.

Every complex number has a real and imaginary part. For the complex number z=a+bi the notation for real and imaginary parts respectively are Re(z)=a and Im(z)=b. If you know thi...

UA
Answered by Urte A. Maths tutor
1771 Views

What is the difference between "Der braune Hund gehört dem Mann." and "Der braune Hund gehört zu dem Mann."?

Let's start with the first sentence: "Der braune Hund gehört dem Mann." Translation: The man (a specific man since the definite article (indefinite: einem Mann) is used) owns the brown dog. In t...

CS
Answered by Clara S. German tutor
2508 Views

What are the philosophical grounds for Frege's notion of 'sense'?

To understand Frege’s notion of ‘sense’, it is imperative to grasp the problem it aims to address. It is a fundamental principle of logic that if two singular terms (a,b,c, etc.) are identical, then they ...

AH
Answered by Adam H. Philosophy tutor
2499 Views

What is one of the main themes in Harper Lee's To Kill a Mockingbird?

Throughout her novel, Harper Lee consistently juxtaposes good and evil. She utilises Scout and Jem's childhood innocence to show how the concept of evil develops. Initially, Scout and Jem have never truly...


Find the derivative of the next function using the implicit method: x^2 sin(x+y)-5 y e^x​​​​​​​=0

Using the implicit form derivative rule: y'=-Fx' / Fy' :

y'=-(2 x sin(x+y)+xcos(x+y)-5 y ex) / (xcos(x+y)-5 ex)

LA
Answered by Lucia A. Maths tutor
1793 Views

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