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Zigmanuir [339]
3 years ago
14

1. If y + 1/y = 2 cos teta find y​

Mathematics
2 answers:
k0ka [10]3 years ago
8 0

Answer:

1

Step-by-step explanation:

1+1/1=2

g100num [7]3 years ago
5 0

Answer:

y=1

Step-by-step explanation:

y+1/y=2

y+1/y-2=0

y-1=0

y=1

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What is the smallest whole number that can be multiplied by 300 such that the product is a perfect cube?
Neko [114]

300=2×2×5×5×3

We observe that 2 and 5 are grouped in pairs and the 3 is left unpaired.

If we multiply 300 by the factor 3 then  

300×3=2×2×5×5×3×3

900=2×2×5×5×3×3 which is a perfect square.

∴ Required number is 3

root of 900  =30

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3 years ago
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Wewaii [24]
Silver for x

-3 - (-8) - (-2) = x

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4 0
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F(x) = 1/(5x-6)Find the derivative of this function
siniylev [52]

Given

f(x)=\frac{1}{5x-6}

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\frac{1}{a}=a^{-1}

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5 0
1 year ago
Find the 14th term of the geometric sequence 5,-10,20
tamaranim1 [39]

In this specific case, the <em>initial term</em> (a) is 5 and the <em>common ratio</em> (r) is -2

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a_n = a \times r^{n-1}

Therefore, the 14th term is :

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Hope it helps!

7 0
2 years ago
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