Question

Find the value of (3a + 4c)² by using (a+b)² identity.
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Answer 1

Answer:

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Answer 2

Answer:

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Step-by-step explanation:

the answer is

• identity (a+b)² = a² + 2ab + b²
• expand using the a² + 2ab + b²
• (3a )² + 2 ( 3a ) ( 4c ) + (4c )²

• 9a² + 24 ac +16c²

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