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Ishaan94
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Find \(x\).\[\left(2\cdot 7\right)^n+\left(3\cdot 5\right)^n5 \equiv 0 \pmod{x},\quad n\in\mathbb{Z}\]
 2 years ago
 2 years ago
Ishaan94 Group Title
Find \(x\).\[\left(2\cdot 7\right)^n+\left(3\cdot 5\right)^n5 \equiv 0 \pmod{x},\quad n\in\mathbb{Z}\]
 2 years ago
 2 years ago

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Ishaan94 Group TitleBest ResponseYou've already chosen the best response.0
@KingGeorge
 2 years ago

pawankumar Group TitleBest ResponseYou've already chosen the best response.0
@ishaan ayye konsa grade ka problem ha?
 2 years ago

Ishaan94 Group TitleBest ResponseYou've already chosen the best response.0
hmm depends. what grade are you in?
 2 years ago

pawankumar Group TitleBest ResponseYou've already chosen the best response.0
i 'm in 12th
 2 years ago

pawankumar Group TitleBest ResponseYou've already chosen the best response.0
but i don't have any i idea how to solve this problem....can we solve with mathmetical induction
 2 years ago

Ishaan94 Group TitleBest ResponseYou've already chosen the best response.0
you can try it then.
 2 years ago

Ishaan94 Group TitleBest ResponseYou've already chosen the best response.0
hmm idk, i don't know how you could possibly solve it with mathematical induction.
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.0
is the power in LHS 'n' ? because then LHS modx will give u LHS for any and every value of x(and quotient=0)...as LHS does not depend on x....
 2 years ago

Ishaan94 Group TitleBest ResponseYou've already chosen the best response.0
yes, the exponential power is \(n\) and \(n\in \mathbb{Z}\).
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.0
what is x? integer or real number?
 2 years ago

mukushla Group TitleBest ResponseYou've already chosen the best response.1
i think its\[2\times7^n+3\times 5^n5 \]
 2 years ago

Ishaan94 Group TitleBest ResponseYou've already chosen the best response.0
hmm maybe. i can't be sure of the question, i got it yesterday on my test. does it solves the problem? @mukushla
 2 years ago

mukushla Group TitleBest ResponseYou've already chosen the best response.1
yeah it solves the problem and answer will be \(x24\)...
 2 years ago

Ishaan94 Group TitleBest ResponseYou've already chosen the best response.0
thanks. i got the same as well. i must have read the question wrong.
 2 years ago

mukushla Group TitleBest ResponseYou've already chosen the best response.1
very well...:)
 2 years ago
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