oblicz: log o podstawie 6 z 2 razy log o podstawie 6 z 18 plus log o podstawie 6 do kwadratu z 3
oblicz: log o podstawie 6 z 2 razy log o podstawie 6 z 18 plus log o podstawie 6 do kwadratu z 3
log₆2*log₆18+log₆²3= log₆2*log₆(2*3*3)+log₆²3= log₆2*[log₆2+log₆3+log₆3]+log₆²3= log₆2*[log₆2+log₆3²]+log₆²3= log₆2*[log₆2+2log₆3]+log₆²3= log₆²2+log₆2*2log₆3+log₆²3= ze wzoru skr mnoze (log₆2+log₆3)²= (log₆3*2)²=1²=1
log₆2*log₆18+log₆²3=log₆2*log₆(2*3*3)+log₆²3= log₆2*[log₆2+log₆3²]+log₆²3=log₆²2+2log₆2*log₆3²+log₆²3=(log₆2+log₆3)²= (log₆6)²=1²=1