1.

Add a³ +b³+c³- abc, b³-4c² +6 abc+3a² and+ c³+5abc​

Answer»

align="absmiddle" alt="\LARGE\textsf{\underline\textcolor{aqua}{↭ SoLuTioN :-}}" class="latex-formula" id="TexFormula1" SRC="https://tex.z-dn.net/?f=%5CLARGE%5Ctextsf%7B%5Cunderline%5Ctextcolor%7Baqua%7D%7B%E2%86%AD%20SoLuTioN%20%3A-%7D%7D" title="\LARGE\textsf{\underline\textcolor{aqua}{↭ SoLuTioN :-}}">

\large\textsf{ }

\qquad\tt{:}\longrightarrow\large\textsf{( a³ + b³ + c³ - abc ) + ( b³ - 4c² + 6abc + 3a³) + ( c³ + 5abc )}

\qquad\tt{:}\longrightarrow\large\textsf{a³ + b³ + c³ - abc + b³ - 4c² + 6abc + 3a³+ c³ + 5abc }

\qquad\tt{:}\longrightarrow\large\textsf{a³ + 3a³ + b³ + b³ + c³ - 4c³ + c³ - abc + 6abc + 5abc}

\qquad\tt{:}\longrightarrow\boxed{\large\textsf\textcolor{red}{4a³ + 2b³ - 2c³ + 10abc}}

\large\textsf{ }

\LARGE\textsf{\underline\textcolor{aqua}{↭ MoRe fOrMuLaS :-}}

\large\textsf{ }

\qquad\tt{:}\longrightarrow\large\textsf{( a + b )² = a² + b² + 2ab}

\qquad\tt{:}\longrightarrow\large\textsf{( a - b )² = a² + b² - 2ab}

\qquad\tt{:}\longrightarrow\large\textsf{a² - b² = ( a + b ) ( a - b )}

\qquad\tt{:}\longrightarrow\large\textsf{a² + b² = ( a + b )² - 2ab}

\qquad\tt{:}\longrightarrow\large\textsf{a³ + b³ = ( a + b ) ( a² - 2ab + b² )}

\qquad\tt{:}\longrightarrow\large\textsf{a³ - b³ = ( a - b ) ( a² + ab + b² )}

\qquad\tt{:}\longrightarrow\large\textsf{( a + b + c )² = a² + b² + c² + 2ab + 2bc + 2ac }

\large\textsf{ }

\large\textsf\textcolor{purple}{ \; \; \; \; \; \; \; \; \; \; \; \; ◈ ━━━━━━━ ✪ ━━━━━━━ ◈}

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