Roboguru

A k a r minus a k a r space p e r s a m a a n space x squared plus left parenthesis a minus 1 right parenthesis x plus 2 equals 0 space a d a l a h space alpha space d a n space beta. space J i k a space alpha equals 2 beta space d a n space a greater than 0 comma space m a k a space n i l a i space space a equals space.... space

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Jawaban:

P e r s a m a a n space k u a d r a t space x squared plus left parenthesis a minus 1 right parenthesis x plus 2 equals 0 space m e m i l i k i space a k a r – a k a r space alpha space d a n space beta comma d i m a n a space alpha equals 2 beta comma space b e r a r t i  alpha beta equals c over a  2 beta beta equals 2 over 1  2 beta squared equals 2  beta squared equals 1  beta equals plus-or-minus 1    M a k a space  alpha equals 2 left parenthesis 1 right parenthesis equals 2 space a t a u space alpha equals 2 left parenthesis negative 1 right parenthesis equals negative 2

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