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Hatshy [7]
3 years ago
5

Fill in the missing work and justification for step 5 when solving 4(x + 1) = 8.

Mathematics
1 answer:
vlada-n [284]3 years ago
5 0

4(x + 1) = 8

4x+4=8

4x=8-4

4x=4

x=4/4

x=1

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What is the coefficient of the x5y5-term in the binomial expansion of (2x – 3y)10? 10C5(2)5(3)5 10C5(2)5(–3)5 –10C5(2)5(–3)5 10C
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10C_5(2)^{5}( - 3)^5

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The given binomial expansion is:

{(2x - 3y)}^{10}

Compare this to

{(a + b)}^{n}

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We want to find the coefficient of the term

{x}^{5}  {y}^{5}

This implies that, r=5.

The terms in the expansion can be obtained using

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We substitute the given values to obtain;

T_{5+1}=10C_5(2x)^{10-5}(  - 3y)^5

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Hence the coefficient is;

10C_5(2)^{5}( - 3)^5

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Step-by-step explanation:

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