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1

2

3

4

5

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7

8

9

0

x

y

(◻)

◻/◻

◻^{2}

◻^{◻}

√◻

∞

e

π

ln

log

lim

d/dx

d^{□}/dx^{□}

∫

∫^{◻}

>

<

>=

<=

sin

cos

tan

cot

sec

csc

asin

acos

atan

acot

asec

acsc

sinh

cosh

tanh

coth

sech

csch

asinh

acosh

atanh

acoth

asech

acsch

1

Example

$coef\left(3x^2\right)$

2

Apply the formula: $coef\left(a\right)$, where $a=3x^2$

$3$

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