1.

Expand (k+4)³ answer and solutions please​

Answer»

ANSWER:

BINOMIAL formula for

(

a

+

b

)

3

⇒

3

C

0

a

3

b

0

+

3

C

1

a

2

b

1

+

3

C

2

a

1

b

2

+

3

C

3

a

0

b

3

Here,

a

=

x

and

b

=

1

.

⇒

3

C

0

x

3

+

3

C

1

x

2

×

1

1

+

3

C

2

x

1

×

1

2

+

3

C

3

×

1

3

As

→

3

C

0

=

3

C

3

=

1

and

→

3

C

1

=

3

C

2

=

3

⇒

x

3

+

3

x

2

+

3

x

+

1

please mark as BRAINLIST


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