Ask a New Question

Evaluate gcd(19!+19,20!+19). Details and assumptions The number n!, read as

Evaluate gcd(19!+19,20!+19).Details and assumptions The number n!, read as n factorial, is equal to the product of all positive
1. 3 answers
2. asked by Mathslover
3. 1,276 views
How many three digits numbers N=abc are there such that a≤b and c≤b?Details and assumptions: abc means 100a+10b+1c, as
1. 1 answer
2. asked by Steve
3. 442 views
If the expression (x^2+2x−1)^8 is completely expanded, what is the sum of the coefficients of the terms with even powers of x?
1. 1 answer
2. asked by ianian
3. 380 views
Find the sum of all positive integers m such that 2^m can be expressed as sums of four factorials (of positive integers).Details
1. 0 answers
2. asked by anonymous
3. 651 views
Find the number of pairs of non-negative integers (n,m), such that 1≤n<m≤100, n∣m2−1 and m∣n2−1.Details and
1. 0 answers
2. asked by ABCD
3. 420 views
Find the number of pairs of non-negative integers (n,m), such that 1≤n<m≤100, n∣m^2−1 and m∣n^2−1.Details and
1. 2 answers
2. asked by hope any one can help
3. 409 views
please answer the blanksCultures [are/aren’t] different only in their details. This is illustrated in the selection
1. 1 answer
2. asked by pakyo
3. 29 views
Cultures [are/aren’t] different only in their details. This is illustrated in the selection “[...]” by [...]. There are
1. 1 answer
2. asked by pakyo
3. 40 views
What is the sum of all numbers that occur an odd number of times in rows 0 through 11 of Pascal's triangle?Details and
1. 0 answers
2. asked by OIan
3. 565 views
fill-in]: Cultures [are/aren’t] different only in their details. This is illustrated in the selection “[...]” by [...].
1. 1 answer
2. asked by pakyo
3. 67 views