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8090 [49]
3 years ago
15

Factorise the following expression: 40 gr2 + 15rw

Mathematics
2 answers:
Eva8 [605]3 years ago
3 0

Answer:

5r( 8gr + 3w )

Step-by-step explanation:

you can check the answer by multiplying 5r into the bracket.

Ad libitum [116K]3 years ago
3 0

Answer:

5r(8gr + 3w)

Step-by-step explanation:

40gr² + 15rw =

= 8·5·g·r·r + 5·3·r·w

= 5r·8gr + 5r·3w

= 5r(8gr + 3w)

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If log (m + n) = log m+log n, show that m =n/n-1​
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log (m + n) = log m+ log n and proved it m =n/n-1​

Given;

If log (m + n) = log m+ log n

To show that the m =n/n-1​

Now, According to the question:

We know that,

Log (m + n) = log m + log n

Log (m + n ) = log (mn).                 [log a + log b = log ab ]

Cancelling the log on both sides.

then,

m + n = mn

=> n = mn - m

=> n = m (n - 1)

=> m = n / n - 1

Hence Proved

log (m + n) = log m+ log n and proved it m =n/n-1​

What is Logarithm?

A logarithm is the power to which a number must be raised in order to get some other number (see Section 3 of this Math Review for more about exponents). For example, the base ten logarithm of 100 is 2, because ten raised to the power of two is 100: log 100 = 2.

Learn more about Logarithm at:

brainly.com/question/16845433

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1 year ago
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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