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xxTIMURxx [149]
3 years ago
5

Multiply. -3 1/3 . -2 2/5

Mathematics
2 answers:
lianna [129]3 years ago
6 0
I got -86 lol but I turned them into improper fractions and cross multiplied
kondor19780726 [428]3 years ago
4 0

-31/3 x -22/5

=45.46666667

Which meaning the answer is... 45.

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ryzh [129]
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3 years ago
Can you guys help we with this question. ​​​​​​
satela [25.4K]

Answer:

40

Step-by-step explanation:

(2x+1/(2x))^5 *(2x -1/(2x))^5

= ((2x)^2 -1/(2x)^2)^5 (a+b)*(a-b) =a2-b2

= (4x^2-1/4(x)^2)^5

now

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we have

general term = Cr *x^r *a^(n-r)

= Cr * (4x^2)^r * (1/4(x)^2)^(n-r)

= Cr *4^r * X^2r * 1/( 4^(n-r) *x^(2n-2r)

= Cr * 4^r/4^(n-r) * x^(2r)/x^(2n-2r)

= Cr * 4(2r-n) *x(4r-2n)

now for x^2

4r-2n = 2

4r -10=2

4r =12

r = 3

now for coeff

C(5,3) * 4^(2*3-5)

5!/(3!*(5-3)!) * 4

5*4/(2*1)*4

40

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Answer:

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Step-by-step explanation:

5 0
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