Recent content by Derivative86

First, Thanks for helping me JonF. But you r saying that r = a and 1 / r = a. However, the problem said that the polynomial x^{10} + ax + 1 = 0 has roots r and 1 / r. Which implies that x = r and x = 1 / r. I think Krab is right

Thanks for helping me Krab, your reply is referring to the orginial thread right?

Thanks for helping me, you r awesome :smile: But I don't understand how you get there, can u explain?

Hey guys can you help me solve this problem: Find all real numbers a with the property that the polynomial equation x^{10} + ax + 1 = 0 has a real solution r such that 1 / r is also a solution. Thank you for helping me :smile: Sry I have posted this problem once before, but nobody helped...

you guys are making the problem too complicated since 3x^2 + 4x + C = A(x + 1)^2 + B(x + 1) + 7 expand A(x + 1)^2 + B(x + 1) + 7 then you have Ax^2 + 2Ax + A + Bx + B + 7 and 3x^2 + 4x + C = Ax^2 + 2Ax + A + Bx + B + 7 equate the coeffients of the powers you have 3 = A for x^2 2A + B =...

Hard problem... Find all real numbers a with the property that the polynomial equation x^10 + ax + 1 = 0 has a real solution r such that 1/r is also a solution Thx for ur help :smile:

i got c=2 as the answer, is it right?

Find all positive integers c such that it is possible to write c = a/b + b/a with positive integers a and b. Please help me :smile:

Not an elementry function?

how do you integrate x^x dx? Thx

Thank you all for trying to help but i already found a teacher.

There are 1,050,000 marbles. If the marbles are used to stack into a 3-sided pyramid, and every level of the pyramid is 2 cm high. How many centimeters tall can the pyramid get?

Is there any teacher here that teachers Calculus BC?

Ah I see thanks! So the answer is 9 * 6 = 54

Ok I did i don't see a pattern One Two Nine Three Four Twenty Five Six Twelve Seventeen Twelve ?