Question

$a { }^{2} - b \: para \: a = 1 \: e \: b = 2$
me ajudem por favor ​

Answer 1

$\tt{\purple{Vamos~l\acute{a}!!!}}$

Para resolvermos precisamos trocar a $\sf{\green{letra}}$ pelo $\sf{\green{n\acute{u}mero}}$ que é igual a letra após isso fazermos a conta e descobrimos o resultado.

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$\tt{\pink{Resposta:}}$

$\huge{\tt{\red{5}}}$

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$\tt{\blue{Calculo:}}$

$\boxed{\begin{array}{lr}\green{\tt{a^{2}-b^{2} }}\end{array}}$

sabendo que:

$\boxed{\begin{array}{lr}\tt{\green{a}=\red{-1}}\\\\\tt{\green{b}=\red{2}}\end{array}}$

trocando:

$\boxed{\begin{array}{lr}\green{\tt{-1^{2}-2^{2} }}\\\\\tt{1+4}\\\\\tt{\red{5}}\end{array}}$

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$\Huge{\rm{\diagup\!\!\!\!A\diagup\!\!\!\!s\diagup\!\!\!\!s:\color{lime}\diagup\!\!\!\!T~~\diagup\!\!\!\!O~~\diagup\!\!\!\!D~~\diagup\!\!\!\!D~~\diagup\!\!\!\!Y~~}}\maltese$

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