Question

Use a suitable Identity to get each of the following products :

$\sf(3a - \frac{1}{2}) \: (3a - \frac{1}{2} )$


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Answer 1

Answer:

$\huge \pink{Aŋʂῳɛཞ{ \implies}}$

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$\sf(3a - \frac{1}{2}) \: (3a - \frac{1}{2} )$

$\sf\implies(3a - \frac{1}{2} ) ^{2}$

$\sf\implies(3a) ^{2} - 2(3a)( \frac{1}{2} ) + ( \frac{1}{2})^{2}$

$\sf \purple {\: \: \: \: \: \: \: \: \: \: \: \: \: |using \: identity \: ii }$

$\sf\implies \boxed {\blue{9a ^{2} - 3a - \frac{1}{4}}}$

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$\mathcal\purple{HOPE \: ITS \: HELP \: YOU}$

$\colorbox{gold}{plz \: mark \: as \: brainlist}$

Answer 2

Answer:

3a−21)(3a−21)

\sf\implies(3a - \frac{1}{2} ) ^{2}⟹(3a−21)2

\sf\implies(3a) ^{2} - 2(3a)( \frac{1}{2} ) + ( \frac{1}{2})^{2}⟹(3a)2−2(3a)(21)+(21)2

\sf \purple {\: \: \: \: \: \: \: \: \: \: \: \: \: |using \: identity \: ii }∣usingidentityii

\sf\implies \boxed {\blue{9a ^{2} - 3a - \frac{1}{4}}}⟹9a2−3a−41

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