4 years ago

Find the fifth term in the expansion of (ab - 2)20.

Mathematics

1 answer:

Alex17521 [72]4 years ago

6 0

There is no fifth term I mean there are only two terms which are a and b

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<img src="https://tex.z-dn.net/?f=%5Ctext%7BSolve%20for%20x%3A%7D%5C%5C4x%20%2B%2054%20%3D%2055%5C%5C%5C%5C%5Ctext%7BThank%20you

Crazy boy [7]

Hi there!

»»————-　★　————-««

I believe your answer is:

$x = \frac{1}{4}$

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Here’s why:

⸻⸻⸻⸻

$\boxed{\text{Solving the equation for x...}}\\\\4x + 54 = 55\\----------\\\rightarrow 4x + 54 - 54 = 55 - 54\\\\\rightarrow 4x = 1\\\\\rightarrow \frac{4x=1}{4}\\\\\rightarrow \boxed{x=\frac{1}{4}}$

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Hope this helps you. I apologize if it’s incorrect.

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