Calculus 3
Physics 2
US History and the World
Circuit Analysis
I seen my friends struggle in Calculus 3, only to realize it was because of a poor foundation in the previous Calcs. They said Physics 2 was harder than 1 but more enjoyable in the lab. The history class is what i expect from...
Homework Statement
Prove: If a|b and b|c then a|c.
Assume a, b and c are integers.
Homework Equations
none
The Attempt at a Solution
If a divides b then that means that there is a
real integer "r" that is ra=b .
and since we assume b divides c then c=bs.
After...
Homework Statement
Me and my friend are debating on wether the follow seris is convergent or divergent. The seris is the sum of (-1)^n-1 * ln(n)/n.
Homework Equations
p test and comparision tests.
And alternating series test
The Attempt at a Solution
My approach to this problem...
Homework Statement
integrate cos ^3(πx-1)
Homework Equations
1-sin^2(πx-1) = cos ^2 (πx-1)
The Attempt at a Solution
(1-sin^2(πx-1))cos(πx-1)
Let u = πx-1
1/ πdu = dx
1-sin^2(u )cos (u)
1/ π(X-1/3sin^3(u)
Basically I'm Confused on how to get past the trig identity part.
I have to write a program in c++ that can be repeated as many times as needed. It should ask for a number to multply like
Enter a number to multply: 5
output is this
1 x 5=5
2 x 5=10
3 x 5=15
4 x 5 =20
5 x 5 =25
Enter a number to multiply : 8
1 x 5=5
2 x 5=10
3 x 5=15
4 x...
Homework Statement
A 220 lb man stands on a scale in an elevator. What does the scale read when the elevator accelerates upward at 1.6 m/s^2? What does it read when accelerating downward at the same rate
Homework Equations
F=ma, w=mg,
The Attempt at a Solution
m=w/g
220/9.81 =...