Chittagong Higher Secondary 2017#4

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samiul_samin
Posts:1007
Joined:Sat Dec 09, 2017 1:32 pm
Chittagong Higher Secondary 2017#4

Unread post by samiul_samin » Sat Feb 24, 2018 1:30 am

In the expansion of $(ax+b)^2016$(where $a$ , $b$ are co-prime).Co-efficuent of $x^2$ and $x^3$ are equal.Find $a+b$.

samiul_samin
Posts:1007
Joined:Sat Dec 09, 2017 1:32 pm

Re: Chittagong Higher Secondary 2017#4

Unread post by samiul_samin » Sat Feb 24, 2018 1:31 am

Hint
Expand
Answer
$2017$

samiul_samin
Posts:1007
Joined:Sat Dec 09, 2017 1:32 pm

Re: Chittagong Higher Secondary 2017#4

Unread post by samiul_samin » Thu Feb 07, 2019 10:08 pm

samiul_samin wrote:
Sat Feb 24, 2018 1:30 am
In the expansion of $(ax+b)^{2016}$ (where $a$ , $b$ are co-prime).Co-efficuent of $x^2$ and $x^3$ are equal.Find $a+b$.

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