What are the different methods in finding the LCM

Mathematics

1 answer:

Nezavi [6.7K]2 years ago

8 0

Answer:

4 methods are there

Step-by-step explanation:

Find the prime factorization of each number.
Write each number as a product of primes, matching primes vertically when possible.
Bring down the primes in each column.
Multiply the factors to get the LCM.

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Find the first 4 terms in each sequence

koban [17]

Answer:

a₁ = -21 (Given)

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a₃ = -35

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Step-by-step explanation:

First term a₁ = -21 (Given)

…………………………………

Second term a₂ :

a₂ = $a_{2-1} - 7\\a_{1} - 7\\a_{1} = -21\\-21 - 7 = -28$

…………………………………

Third term a₃ :

a₃ = $a_{3-1} - 7\\a_{2} - 7\\a_{2} = -28\\-28 - 7 = -35$

…………………………………

Fourth term a₄ :

a₄ = $a_{4-1} - 7\\a_{3} - 7\\a_{3} = -35\\-35 - 7 = -42$

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The answer would be C) 5a +b

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3 years ago

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