Sharing your mathematics in MathYouLike

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13/10/2018 at 07:01

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Mr. Beeanswered a question

05/10/2018 at 01:51

Laziness is human nature, so people will not sketch out the figure for this unless you do that job

Mr. Beeanswered a question

04/10/2018 at 10:30

? is $\dfrac{386}{862}$.

Mr. Beeanswered a question

04/10/2018 at 10:22

It's easy!

The sum of the deominator and the numerator is constantly 1807.

So, $?$ is $\dfrac{15}{1792}$.

Mr. Beeanswered a question

04/10/2018 at 01:51

$3x^n.\left(4x^{n-1}-1\right)-2x^{n+1}\left(6x^{n-2}-1\right)\\ =12x^{n+n-1}-3x^n-12x^{n+1+n-2}+2x^{n+1}\\ =2x^{n+1}-3x^n$

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03/10/2018 at 14:43

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01/10/2018 at 07:35

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29/09/2018 at 06:56

Mr. Beeasked a question

25/09/2018 at 09:30

Find all integers $N$ such that $N^2-71$ is divisible by $7N+55$ .

divisibility integers

Mr. Beeasked a question

25/09/2018 at 09:26

What is the greatest integer k such that 2^k is a factor of 67! ?

factorial Mathcounts

Mr. Beeasked a question

25/09/2018 at 09:17

A boy has 3 pairs of trousers, 2 jackets, and 5 shirts. How many different combinations of trousers, jackets, and shirts can he put together?

Permutation and combination

Mr. Beeliked an answer of question

03/09/2018 at 13:55

Mr. Beeanswered a question

24/09/2018 at 03:01

When written in base 7, the number is a.7² + b.7 + c

When written in base 6, the number is (a+1).6² + (b+1).6 + c +1

We get: a.7² + b.7 + c = (a+1).6² + (b+1).6 + c +1, it implies 13a + b = 43.

This yields a = 3, b = 4.

When written in base 10, the largest number possible: 3.7² + 4.7 + 9 = 184

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