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Let’s check out your problem:
The binomial expansion of
(
x
2
+
y
)
2
\left(x^{2}+y\right)^{2}
(
x
2
+
y
)
2
is
\qquad
\newline
A.
x
2
+
2
x
2
y
+
y
2
x^{2}+2 x^{2} y+y^{2}
x
2
+
2
x
2
y
+
y
2
\newline
B.
x
4
+
2
x
3
y
+
x
2
y
2
x^{4}+2 x^{3} y+x^{2} y^{2}
x
4
+
2
x
3
y
+
x
2
y
2
\newline
C.
x
4
+
2
x
2
y
+
y
2
x^{4}+2 x^{2} y+y^{2}
x
4
+
2
x
2
y
+
y
2
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Math Problems
Precalculus
Pascal's triangle and the Binomial Theorem
Full solution
Q.
The binomial expansion of
(
x
2
+
y
)
2
\left(x^{2}+y\right)^{2}
(
x
2
+
y
)
2
is
\qquad
\newline
A.
x
2
+
2
x
2
y
+
y
2
x^{2}+2 x^{2} y+y^{2}
x
2
+
2
x
2
y
+
y
2
\newline
B.
x
4
+
2
x
3
y
+
x
2
y
2
x^{4}+2 x^{3} y+x^{2} y^{2}
x
4
+
2
x
3
y
+
x
2
y
2
\newline
C.
x
4
+
2
x
2
y
+
y
2
x^{4}+2 x^{2} y+y^{2}
x
4
+
2
x
2
y
+
y
2
Identify formula:
Identify the formula for binomial expansion
(
a
+
b
)
2
=
a
2
+
2
a
b
+
b
2
(a+b)^2 = a^2 + 2ab + b^2
(
a
+
b
)
2
=
a
2
+
2
ab
+
b
2
. Here,
a
=
x
2
a = x^2
a
=
x
2
and
b
=
y
b = y
b
=
y
.
Calculate each term:
Calculate each term:
(
x
2
)
2
=
x
4
(x^2)^2 = x^4
(
x
2
)
2
=
x
4
,
2
(
x
2
)
(
y
)
=
2
x
2
y
2(x^2)(y) = 2x^2y
2
(
x
2
)
(
y
)
=
2
x
2
y
, and
y
2
=
y
2
y^2 = y^2
y
2
=
y
2
.
Compare with options:
Compare the result with the options provided.
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\newline
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\newline
_______
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\newline
(
9
a
+
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−
(
2
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4
)
(9a + 5) - (2a + 4)
(
9
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)
−
(
2
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)
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Find the product. Simplify your answer.
\newline
−
3
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(
v
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−
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−
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v
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−
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)
\newline
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Find the product. Simplify your answer.
\newline
(
v
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3
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(
4
v
+
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(
v
−
3
)
(
4
v
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)
\newline
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Question
Find the square. Simplify your answer.
\newline
(
3
y
+
2
)
2
(3y + 2)^2
(
3
y
+
2
)
2
\newline
______
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Question
Divide. If there is a remainder, include it as a simplified fraction.
\newline
(
24
t
2
+
36
t
)
÷
6
t
(24t^2 + 36t) \div 6t
(
24
t
2
+
36
t
)
÷
6
t
\newline
______
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Question
Is the function
q
(
x
)
=
x
6
−
9
q(x) = x^6 - 9
q
(
x
)
=
x
6
−
9
even, odd, or neither?
\newline
Choices:
\newline
[[even][odd][neither]]
\text{[[even][odd][neither]]}
[[even][odd][neither]]
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Posted 9 months ago
Question
Find the product. Simplify your answer.
\newline
−
3
q
2
(
−
3
q
2
+
q
)
-3q^2(-3q^2 + q)
−
3
q
2
(
−
3
q
2
+
q
)
\newline
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Question
Find the product. Simplify your answer.
\newline
(
r
+
3
)
(
4
r
+
2
)
(r + 3)(4r + 2)
(
r
+
3
)
(
4
r
+
2
)
\newline
______
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Question
Find the roots of the factored polynomial.
\newline
(
x
+
7
)
(
x
+
4
)
(x + 7)(x + 4)
(
x
+
7
)
(
x
+
4
)
\newline
Write your answer as a list of values separated by commas.
\newline
x
=
x =
x
=
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Posted 9 months ago
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