(1)(a) Use the generalized binomial expansion to expand (1 + x)ā up to the x® and hence determine (1.05). to 5 decimal places
10 marks

The question is incomplete! Complete question along with answer and step by step explanation is provided below.  

Question:  

Use the generalized binomial expansion to expand (1 + x)^a up to the a = 5 and hence  determine (1.05)^5. to 5 decimal places.

Using the binomial theorem

Step-by-step explanation:

The binomial theorem is given by

For the given case, we have

So,

Therefore, using the binomial theorem

a. she will receive a refund of $278.

step-by-step explanation:

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

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y

=

−

2

find the upper bound of the range.

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y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation: