Questions Answered

junhuiye:
Group Title
What is actually orthogonal?
 updated one month ago
 1 reply
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sutanto:
Group Title
a sum of money is divided among peter paul and jane in the ratio 13 : 12 : 7 calculate how paul gets if the amount peter gets more than jane…
 updated 5 months ago
 1 reply
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sabree:
Group Title
integrate sinx/sqrt(1+cosx) dx
 updated 5 months ago
 1 reply
 1 Medal

cherryberry857:
Group Title
In 2010, the world's population reached 6.91 billion and was increasing at a rate of 1.1% per year. Assume that this growth rate remains con…
 updated 11 months ago
 1 reply
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joyce153:
Group Title
Suppose that to send a telegram it costs $2 for the first 10 words in the telegram and Y cents for each additional words.
a. Write an equ…
 updated 2 years ago
 2 replies
 1 Medal

keira_lee:
Group Title
Can anyone help me with this. Find the anti derivatives of ∫ (sin^4 x ) (cos^3 x ) dx using substitution ?
 updated 2 years ago
 2 replies
 1 Medal

Albertoimus:
Group Title
Use the substitution formula to evaluate the definite integral. See attachment.
 updated 2 years ago
 2 replies
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hmoy4:
Group Title
Linear algebra subspace problem?
How would you prove that this set does not form a subspace in R^2?
[(x1,x2)^T ; abs(x1) = abs(x2)}…
 updated 2 years ago
 3 replies
 1 Medal

tbirdie:
Group Title
how can i download the video for later viewing
 updated 2 years ago
 1 reply
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Patissocoolike:
Group Title
integral (1/(4x^29)^3/2)dx
 updated 2 years ago
 2 replies
 1 Medal

Joyus:
Group Title
Please help! Desperate! need help with both but will take help on just one! see attached
 updated 2 years ago
 3 replies
 1 Medal

hmoy4:
Group Title
I have a general question regarding eigenvalues/vectors. Say you are working on a matrix [ 1, 1; 4, 1] and you find the eigenvalues to be 3 …
 updated 2 years ago
 2 replies
 1 Medal

calchelp:
Group Title
IS the sum of (3^n  2^2)/ 2^(2n) convergent and what is the number.
pls show steps.
Thanks
 updated 2 years ago
 2 replies
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calchelp:
Group Title
is the Σ (n^n/(2^n)(n!)) from 0 to infinity convergent
 updated 2 years ago
 3 replies
 1 Medal

veryconfused:
Group Title
Find two negative numbers, and , whose product is and whose sum is a maximum
@MIT 18.02 Multiva…
 updated 2 years ago
 2 replies
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PeX:
Group Title
Show that the limit of [e^(ax)e^(bx)]/x=ba (while x>0)
 updated 2 years ago
 1 reply
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crazydoglady:
Group Title
Anyone understand question 42 in section 2.5 ? Don't know why I am testing inverses to begin with, and have no idea how to manipulate (mul…
 updated 2 years ago
 1 reply
 1 Medal

Xylienda:
Group Title
Let p be a prime number greater than 15. Determine the remainder of p^360 divided by 1001. You may wish to use the following proposition. (P…
 updated 2 years ago
 2 replies
 1 Medal

Atom:
Group Title
integrate ( (2x+1).(x^2+x+1)dx ) / ( (x^2+x+1)^2 + (x^2+x+1) )
@MIT 18.01 Single …
 updated 2 years ago
 1 reply
 1 Medal

Xylienda:
Group Title
Prove that: For all integers n, 21 (3n^7 + 7n^3 + 11n). @MIT 18.01 Single …
 updated 2 years ago
 3 replies
 3 Medals