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HoaBest ResponseYou've already chosen the best response.1
do you want the whole steps or just a result? the final result is an = 7 *6^n
 one year ago

HoaBest ResponseYou've already chosen the best response.1
a(n+1) 6 a(n) =0 characteristic equation is x 6 =0 x =6 the equation has the form an= C*6^n replace a1 = C *6^1 = 42 >C = 7 replace C into an form to get an= 7 *6^n Hope this help. are you in discrete math course?If so, you will understand what i mean
 one year ago

HoaBest ResponseYou've already chosen the best response.1
What's wrong? and what makes you laugh
 one year ago

HoaBest ResponseYou've already chosen the best response.1
@ParthKohli : I am a student and want to study from others. Please tell me if I am wrong in my work, I appreciate when you correct my mistake or my flaw
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
You have left a lot of space. :)
 one year ago

HoaBest ResponseYou've already chosen the best response.1
I don't know why the net post it up. I am not good at computer
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
I think we can do this using the geometric sequence formula.
 one year ago

HoaBest ResponseYou've already chosen the best response.1
yes, you are right. show me your work. now is your turn
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
Your answer is correct anyway.
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
\(a_1 = 42\) and \(r = 6\). Now use the following formula:\[a_n = a_1 \times r^{n  1}\]
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
Strictly speaking, if you have:\[a_{n + 1} = {\rm some ~number} \times a_n \]For all \(n\), then the "some number" is the common ratio denoted by \(r\).
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
I'd leave it to the asker to do the rest.
 one year ago

HoaBest ResponseYou've already chosen the best response.1
I need help from my problem, may I have yours?
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
Sure, what may I help you with?
 one year ago

HoaBest ResponseYou've already chosen the best response.1
my problem is: find the coefficient of x^10 in the power series of (x^2 +x^4 +....) (x^3 +x^6 +x^9 +....)(x^4 +x^8 +x^12 +....)
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
This is an interesting problem. Let's see.
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
You can just message me here; I check this site much often... more than I check my email
 one year ago

HoaBest ResponseYou've already chosen the best response.1
dealt. since I have to go. send me message when you've done. Nice to see.
 one year ago
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