D/ 르 = ( 3) 1 < a 2) - - 4 . = 1-a < o abll a 2b- = O 3b = 9 . b = 3 . a = 6 shortcut f( x ) a (x- α ) Q (x) Q( x ) b (x - β) R = f* Λ a 지협 :썼, 창 X = B 2A- × 5 = 답 = ( 2x xy + 3y ) 2 y ) 2 = (7x 4 4 xy - - 2 2 3 K+ 6xy 7 y = - - shortcut shortcut " +α n+3...
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D/ 르 = ( 3) 1 < a 2) - - 4 . = 1-a < o abll a 2b- = O 3b = 9 . b = 3 . a = 6 shortcut f( x ) a (x- α ) Q (x) Q( x ) b (x - β) R = f* Λ a 지협 :썼, 창 X = B 2A- × 5 = 답 = ( 2x xy + 3y ) 2 y ) 2 = (7x 4 4 xy - - 2 2 3 K+ 6xy 7 y = - - shortcut shortcut " +α n+3 nin t ( n + 1 ) Tn ( n +2 ) Tn + [n +3) : ( Tn Tn " + = - 2 ← ) 5 0 10 " T4 " + 고T + 3T + … + 3T " + 8T - 8T xβ+ 3x ≥ x+4 = x 1) ( x+3) + (-2) ) 2 ( 1 + 2T ) × 2 + 8T = - ( ^ Q (x) 금 (x) = - 4 + 4T ≈ 남
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