Question: Let [ t ] denote the greatest integer ? t. Then the equation in x, [ x ] 2 + 2[ x+2 ] 7

Let [ t ] denote the greatest integer ? t. Then the equation in x, [ x ]2 + 2[ x+2 ] – 7 = 0 has

(a) exactly four integral solutions.

(b) infinitely many solutions.

(c) no integral solution.

(d) exactly two solutions.

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