Recent content by haxan7

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Sorry, the question was "for any positive integer n", how do i edit the thread?

Homework Statement Prove that for any integer n n^2+n+1, can never be a square number. Homework Equations None. The Attempt at a Solution We could put the equation to a^2, (where a^2 is a square number) and solve for n and show that n can not be an integer. I tried quadratic...

Common guys, help me out here.

Guys i need an easy to understand Modern Physics Book. I am planning to complete the course on my own in summer break, so that when my university reopens i could take an extra course without any extra burden. Here is the course website, Please make 2 or 3 suggestions based on the course...

Thanks a lot.

Homework Statement Homework Equations The question is related to Riemann Sums The Attempt at a Solution I can not understand the notation of the question. Can someone explain the question to me. Or solve the question, i will understand it myself. Thanks

Speed = 900km/hour tan(α)=900t/10000 α=arctan(900t/10000) Derivative is 900/(10000+81 t^2) If i put t = 0 and t = 3/60, will i get the correct answer? I don't think so, Help me.

Homework Statement An aircraft passes directly over you with a speed of 900 km/h at an altitude of 10,000 m. What is the angular velocity of the aircraft (relative to you) when directly overhead? Three minutes later?Homework Equations Where were studying center of mass and Moment of inertia...

Yeah got it, thanks

First of all i am new to this forum, and since my question is from my exam i did not post in homework section, if posted it in wrong section then kindly move it to right one. So i had this mcq in exam it said that if f'(x)>g'(x) for all values of x. then the graphs of two function intersect...