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Question Number 94603 by byaw last updated on 19/May/20
List the elements in C={x:x is an x^2 ≤4, integer}
ListtheelementsinC={x:xisanx2⩽4,integer}
Commented by Rasheed.Sindhi last updated on 20/May/20
C={−2,−1,0,1,2}
C={−2,−1,0,1,2}
Answered by mathmax by abdo last updated on 20/May/20
let a_n =card{(x,y)∈N^2 /x+2y =n} calculate Σ_(n=0) ^∞ a_n x^n its a question
letan=card{(x,y)∈N2/x+2y=n}calculate∑n=0∞anxnitsaquestion

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