Question

6. Write the coefficient of x in the expansion of (x+3)^3.​

Answer 1

Answer:

x =27

Step-by-step explanation:

Answer. = x3 +27 + 9x2+27x Hence, the coefficient of x in (x + 3)3 is 27.

Answer 2

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Using the formula,

( a + b) ³ = a³ + b³ + 3a²b + 3ab²

( x + 3) ³ = x³ + 27 + 9x² + 27x

${\therefore}$ The coefficient of x is 27

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