If 4 x 4 7 15 38.5
Then, ( x + 1) ( x - 1) = ?
4 × 0.5 + 1 = 3 3×1 + 1 = 4 4 × 1.5 + 1 = 7 7× 2 + 1 = 15 15×2.5 + 1 = 38.5 Hence, x= 3 Hence, (3 + 1) (3 - 1) = 4 × 2 = 8
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GT HS IR JQ KP ?
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U, O, ?, E, A
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