Question and Answers Forum
Number TheoryQuestion and Answers: Page 5
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Question and Answers Forum |
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Number TheoryQuestion and Answers: Page 5 |
| Solve in N: 6^x +6^y =222 |
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| A heavenly body has mass one third of the earth and its radius is half as that of the earth. if a stone weights 200N on the earth′s surface, find its weight on that heavenly body. |
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| PROVE THAT 6 ∣ (8^x −2^x ) |
| prove that Σ_(n=1) ^∞ (((−1)^(n−1) )/n^2 )=(π^2 /(12)) |
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| Determine m & n such that: digit-sum(m^2 )=n_(&_(digit-sum(n^2 )=m) ) ^■ digit-sum(abc..^(−) .)=a+b+c+... |
| Find all the values of n such that: determinant (((digit-sum(n^3 )=n ))) and show that n has at most 2 digits. ^■ digit-sum(abc..^(−) )=a+b+c+... |
| Q#168480 reposted. n^2 +n+109=x^2 x∈Z, n(∈Z^+ )=? |
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| Q#167612 reposted. Determine all the possible triples (a,b,c) of positive integers for which ab−c,bc−a and ca−b are powers of 2. |
| {: (( a^2 +b^2 =c^2 )),((a+b+c=1000)) }; a^(?) , b^(?) , c^(?) ∈Z Q#167533 reposted |
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| Find the remainder when:− (a) 41! is divided by 1681 (b) 225! is divided by 227 (c) 15! is divided by 19 |
| help me! lim_(x→∞) cosec^(−1) (2)(√(x(√(2(√x))))) |
| 1+1≠?? |
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| given that is prime,proof that (√p) is irrational |
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| Determine condition/s that a number divisible by 11 is a palindrome-number. |
| What is the condition that a palindrome-number is divisible by 11? |
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| Find out n∈N such that n^2 +n is divisible by 30. |