Jun 28

Calculus

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Hello everybody. I am new on the channel and this page. I think its asome. Anyway. My question is simple. Is possible to dominate All about Calculus Multivariable. In One year or less? I mean. Calculus 1.2 and differential equations. Thanks.

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andrei.frit02
a day ago
A little power series.
can anyone help me find the sum of this power series?
3 comments
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Amit Kumar
3 days ago
s=1+2+3+4....
hey there ,I have found something: let S=1+2+3+4.... so S-1=(2+3+4+5)+(6+7+8+9)+(10+11+12+13). S-1=2(7) +2(15)+ 2(23)... S-1=2(7)+2(2(7)+1) +2(3(7)+2)... (S-1)/2 = 2(7) +3(7) +4(7)... +1+2+3+4... (S-1)/2=7(1+2+3+4...)+1+2+3+4... (S-1)/2=7S+S (S-1)=16S so S=-1/15
3 comments
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Ahmed Heakl
3 days ago
Trigonometric Equation Problem
3sin(2x)-4cos(x)-5 What is the value of x?
10 comments
0

blackpenredpen

math for fun

Calculus

A little power series.

s=1+2+3+4....

Trigonometric Equation Problem