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yangtheary

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13 years, 181 days
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These are questions asked by yangtheary

Sequence of real numbers...

yangtheary 280 Maple
calculus
September 21 2013
0 1

A sequence of real numbers a_1,a_2,a_3....... satisfies a_0=1 and

Number Theory...

yangtheary 280 Maple
elementary-mathematics
September 20 2013
2 5

Replace each letter in the following sum by a digit from 0 to 9, in such a way that the sum is correct.

Solve the system of equations...

yangtheary 280 Maple
solve
September 17 2013
1 2

Solve the system of equations:
\begin{cases} x+y+z=6\\x^2+y^2+z^2=14\\x^3+y^3+z^3=36\end{cases} ,

Sigma (binomial)...

yangtheary 280 Maple
sum
September 17 2013
1 0

Find

Cubic Equation...

yangtheary 280 Maple
algebra polynomial
September 17 2013
1 0

If x_{1},x_{2},x_{3}>0 are the roots of the equations ax^3+bx^2+cx+d=0.
Prove that min

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