Math, asked by nishashail30, 12 days ago

The coefficient of x² in the expansion of (x+3)² is *

Answers

Answered by singhshivangi232233

0

Answer:

The coefficient of x² is -6.

Answered by annmariyakjose

0

Answer:

(x+3)^2

(apply the formula (a+b)^2= a^2 + 2ab + b^2 )

(x+3) ^2 = x^2 + 2×x×3 + 3^2

= x^2 + 6x + 9

cosfficient of x^2 = 1

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