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Evaluate gcd(19!+19,20!+19). Details and assumptions

Evaluate gcd(19!+19,20!+19).Details and assumptions The number n!, read as n factorial, is equal to the product of all positive
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2. asked by Mathslover
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_context– details that surround a particular event. (Background details that explain what other things were going on at the
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2. asked by p diddy
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If f(x)=(x+1)^3(x^2-1)^2, what is the value of f'(2)?Details and assumptions f'(x) denotes the derivative of f(x).
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2. asked by Lucy
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How many permutations σ of the set {1,2,…,15} are there such that σ(1)=1,∣σ(n)−σ(n−1)∣≤2 for 2≤n≤15?Details
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2. asked by Mathslover
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Given f(x)=x^3−2x+5/x+4 and f′(3)=a/b, where a and b are coprime positive integers, what is the value of a+b?Details and
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2. asked by Derivative of f(x)
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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?
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2. asked by ianian
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a and b are digits such that 120ab¯¯¯¯¯¯¯¯ is a multiple of 3, 5 and 7. What is the value of ab¯¯¯?Details and
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2. asked by Ian
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What assumptions can be made about a credible source?A. It is lengthy and details. B. It is from Wikipedia. C. It is not trying
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2. asked by Ms. Sue Please Help (Sandy)
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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
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2. asked by ABCD
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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
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2. asked by hope any one can help
3. 434 views