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TEA [102]
2 years ago
15

Ab= 6 / a+b = 5 find a² + b²

Mathematics
1 answer:
Alecsey [184]2 years ago
6 0

Answer:

a2+b2= (a+b)2 - 2ab

a2+b2= (5)2 + 2(6)

a2+b2= 25+12.

a2+b2= 37

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3 years ago
Question in attachment
sdas [7]

Answer:

a₁ = 6

Step-by-step explanation:

The sum to n terms of a geometric sequence is

S_{n} = \frac{a_{1}(r^{n}-1)  }{r-1}

where a₁ is the first term and r the common ratio

Here S_{8} = 1530 and r = 2, thus

\frac{a_{1}(2^{8}-1)  }{2-1} = 1530 , that is

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8 0
3 years ago
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Answer:

Step-by-step explanation:

Its like doing a long division with base 10 numbers:

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Step-by-step explanation:

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