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creativ13 [48]
3 years ago
11

Cot^2x+1 please simplify

Mathematics
1 answer:
Julli [10]3 years ago
3 0

csc^2(x)

Explanation:
We have:
cot
2
(
x
)
+
1

This expression can be simplfiified by applying one of the Pythagorean identities:
1
+
cot
2
(
x
)
=
csc
2
(
x
)
=
csc
2
(
x
)
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(7i-4j)(4i+3j)
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Factor completely: 2x4 − 32.
vazorg [7]

Answer:

Option b) is correct.

The completed factor of given expression is  2(x-2)(x+2)(x^2+4)

Step-by-step explanation:

Given expression is 2x^4-32

To find the completed factor for the given expression:

2x^4-32:

Taking the common number "2" outside  to the above expression we get

2x^4-32=2(x^4-16)

Now rewritting the above  expression as below

=2(x^4-2^4)  (since 16 can be written as the number 2 to the power of 4)

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Here a=x^2 and  b=2^2

Therefore it becomes

=2(x^2+2^2)(x^2-2^2)

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The above expression is of the form a^2-b^2=(a+b)(a-b)

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Option b) is correct.

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3 0
4 years ago
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Answer:

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Step-by-step explanation:

If he earns $7.75 a day, and he walks dogs for 12 days, you just have to multiply 7.75 by 12, which is 93. That means he gets $93.

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