Question

Find the cube of (4x+3y)

Answer 1

Answer:

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Answer 2

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• Find the cube of (4x+3y)

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${\mathbb{WE \ KNOW \ THAT}}$

${\boxed{\pink{\sf \ ✿(a+b)³=a³+3a²b+3ab²+b³}}}$

Now, using this formula

${\sf{\hookrightarrow \ (4x+3y)³ \ = \ (4x)³ \ + \ 3×(4x)²×3y \ + \ 3×4x×(3y)² \ + \ (3y)³}}$

${\sf{\hookrightarrow \ (4x+3y)³ \ = \ 64x³ \ + \ 144x²y \ + \ 108xy² \ + \ 27y³}}$

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$\Large\mathcal{\fcolorbox{lime}{black}{\red{Hope it's help ⚓⚓}}}$

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