If r☉s = rs + r + s, then for what value of s is r ☉s equal to r for all values of r?
(A) –1 (B) 0 (C) 1
(D) (E) r
(A) –1 (B) 0 (C) 1
(D) (E) r
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The question asks -> For what value of s, rs + r + s will be = rIf r☉s = rs + r + s, then for what value of s is r ☉s equal to r for all values of r?
smclean23 wrote:If r☉s = rs + r + s, then for what value of s is r ☉s equal to r for all values of r?
(A) –1 (B) 0 (C) 1
(D) (E) r
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