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x-6-8-x-A-x-Z-and-A-R-faid-x-




Question Number 167493 by mathlove last updated on 18/Mar/22
(√(x+6))+(√(8−x))=A  x∈Z   and A∈R          ^(    faid  Σx=?)
x+6+8x=AxZandARfaidΣx=?
Answered by Rasheed.Sindhi last updated on 18/Mar/22
(√(x+6))+(√(8−x))=A  x∈Z   and A∈R         find Σx.  (√(x+6))+(√(8−x))=A∈R  ⇒  x+6≥0 ∧ 8−x≥0    [x∈Z]  x≥−6 ∧ x≤8  x=−6,−5,−4,...0,1,...,8  Σx=−6−5...−1+0+1...+5+6+7+8=15
x+6+8x=AxZandARfindΣx.x+6+8x=ARx+608x0[xZ]x6x8x=6,5,4,0,1,,8Σx=651+0+1+5+6+7+8=15
Commented by mathlove last updated on 18/Mar/22
thanks bro
thanksbro

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