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yangtheary

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13 years, 287 days
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These are questions asked by yangtheary

calculus (Could you do more clearly?)...

yangtheary 215 Maple
sum product simplification
August 27 2013
2 0

Simga (Could you do more clearly ?)...

yangtheary 215 Maple
summation
August 26 2013
1 0

Let n be any positive Integer :\displaystyle \sum_{k=0}^{n-1}(\sqrt{ak^3+bk^2+ck+1}-\sqrt{ak^3+bk^2+ck})^{\frac{1}{3} }=\sqrt{n}. Find

Prove that (Could you do more clearly?)...

yangtheary 215 Maple
homework number-theory
August 25 2013
1 2

Number Theory (Help me)...

yangtheary 215 Maple
homework number-theory
August 24 2013
1 3

From 1 to 2013, how many   times do we use

Hard problem (Please help me)...

yangtheary 215 Maple
trigonometry
August 18 2013
1 0

An analog clock shows the time is 1:15:00.What time all the three indicators are going to meet each other?

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