@ oobleck ---- mathhelper

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The following questions were asked by visitors named @ oobleck ---- mathhelper.

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The following answers were posted by visitors named @ oobleck ---- mathhelper.

Came across this: int main() { int answer {42}; std::cout << "The answer to life, the universe, and everything is " << answer << std::endl; return 0: }

Assuming digits may be repeated and you are talking about 1,2, and 3 as choices numer of formings = 3*3*3 = 27

according to the definition of an AP 2p-2 - (2p+1) = 4p-3 - (2p - 2) -3 = 2p -1 2p = -2 p = -1 check: if p = -1, the terms are -1, -4, -7 , which form an AP