Math, asked by saniya9483, 8 hours ago

the cofficient of x² in (3x+7)³

Answers

Answered by rumzy1192008

0

Answer:

3 is the cofficient of x

Step-by-step explanation:

hope it helps you

have a nice day

Answered by vishakha010

0

Step-by-step explanation:

(3x+7)^2 = 9x^2+42x+49 (a+b)^2=a^2+2ab+b^2

so co efficient of x^2 = 9

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