Упростите выражение (a+1)(a^2+1)(a^4+1)(a^8+1)(a^16+1)(a^32+1) Должно получиться (a^64 - 1)\(a-1) . Created by katushakatusha1212. algebra-ru

Упростите выражение (a+1)(a^2+1)(a^4+1)(a^8+1)(a^16+1)(a^32+1) Должно получитьс...

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$\\\frac{(a-1)(a+1)(a^2+1)(a^4+1)(a^8+1)(a^{16}+1)(a^{32}+1)}{a-1}=
\\.
\\\frac{(a^2-1)(a^2+1)(a^4+1)(a^8+1)(a^{16}+1)(a^{32}+1)}{a-1}
\\\frac{(a^4-1)(a^4+1)(a^8+1)(a^{16}+1)(a^{32}+1)}{a-1}=
\\\frac{(a^8-1)(a^8+1)(a^{16}+1)(a^{32}+1)}{a-1}=
\\\frac{(a^{16}-1)(a^{16}+1)(a^{32}+1)}{a-1}=
\\\frac{(a^{32}-1)(a^{32}+1)}{a-1}=\frac{a^{64-1}}{a-1}$

2 votes Thanks 7

Artem112

Verified answer

$(a+1)(a^2+1)(a^4+1)(a^8+1)(a^{16}+1)(a^{32}+1)=
\\\
=\frac{(a-1)(a+1)(a^2+1)(a^4+1)(a^8+1)(a^{16}+1)(a^{32}+1)}{a-1}= 
\\\ 
=\frac{(a^2-1)(a^2+1)(a^4+1)(a^8+1)(a^{16}+1)(a^{32}+1)}{a-1} =
\\\ 
=\frac{(a^4-1)(a^4+1)(a^8+1)(a^{16}+1)(a^{32}+1)}{a-1}=
 \\\
=\frac{(a^8-1)(a^8+1)(a^{16}+1)(a^{32}+1)}{a-1}= 
\\\
=\frac{(a^{16}-1)(a^{16}+1)(a^{32}+1)}{a-1}=
 \\\
=\frac{(a^{32}-1)(a^{32}+1)}{a-1}=\frac{a^{64-1}}{a-1}$

2 votes Thanks 6

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