If logx(27/64) = - 3, then x = ?
সমাধান
সঠিক উত্তর: Option B
logx (27/64) = - 3
⇒ x- 3 = 27/64
⇒ x- 3 = (3/4)3
⇒ x- 3 = 1/(4/3)3
⇒ x- 3 = (4/3)- 3
⇒ x = 4/3
⇒ x- 3 = 27/64
⇒ x- 3 = (3/4)3
⇒ x- 3 = 1/(4/3)3
⇒ x- 3 = (4/3)- 3
⇒ x = 4/3
