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What is the 4th term in the expansion of (2x - y)⁸? | StemPy Lab
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What is the 4th term in the expansion of (2x - y)⁸?
Mathematics
Medium
High School (11–12)
Algebra › Binomial Theorem
Board Exam
A-Level
IB
Created by
StemPy Lab
What is the
4
4
4
th term in the expansion of
(
2
x
−
y
)
8
(2x - y)^8
(
2
x
−
y
)
8
?
−
1792
x
5
y
3
-1792x^5y^3
−
1792
x
5
y
3
−
448
x
5
y
3
-448x^5y^3
−
448
x
5
y
3
−
56
x
5
y
3
-56x^5y^3
−
56
x
5
y
3
1792
x
5
y
3
1792x^5y^3
1792
x
5
y
3
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← All the brackets of (5x - 2)⁷ are multiplied out. What do the numbers in front of the powers of x add up to?
The expansions of (x + y)⁷ and (x - y)⁷ are added. How many terms are left? →
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Algebra › Binomial Theorem
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