log264 ning qiymatini toping
6
Agar logarifmning asosi 10 dan iborat bo'lsa , qanday yoziladi
lg
Pifagor teoremasi qanday ifodalanadi ? Asoslab bering
a2+b2=c2
To'g'ri burchakli uchburchak uchun katetlari kvadratlari yig'indisi gipotenuzaning kvadratiga teng bo'ladi
log5x=1 bo'lsa , x ni toping
x=5
log7x=0 bo'lsa , x ni toping
x=1
log216-log22 =?
3
log3x=-3 tenglamani yeching
x=1/27
log2(x-3)=2 tenglamada x=3 nimaga yechim emas ?
Chunki log osti 0 bo'la olmaydi
logx81=2 bo'lsa , x ni toping
9
log2(x-1)=log27 tenglamani yeching
x=8
log3x2=2
x=±3
log864*log648 ko'paytma nimaga teng ?
1
log2x+log24=5 nom'alum x ni toping
x=8
log3x+log33=3 tenglamani yeching
x=9
lg(x-1)=1 tenglamani yeching
x=11