phanvantrung070903 phanvantrung070903

15-06-2021
Mathematics

contestada

Tích các nghiệm của phương trình Log(x-1)²=2 là

Respuesta :

thuydunglyn thuydunglyn

15-06-2021

Answer:

-99

Step-by-step explanation:

Log(x-1)²=2

Log(x-1)²=Log(100)

(x-1)²=100

x-1=10 and x-1=-10

x₁=11 and x₂=-9

x₁ × x₂ = 11 × (-9) = -99

Answer Link

Otras preguntas

HELP ILL GIVE BRAINLIEST

Please help me ASAP!!!!

what's the difference between circumference and the area of a circle?

Hillary is making a necklace for her mother. Which set of steps should Hillary follow?1. Tie a loose knot at both ends of a string. 2. Arrange beads in colorful

The hypotenuse of a right triangle is 3cm and one of the legs is 1cm. What is the length of the other leg?A. 4cmB. Square root 10cmC. 2cmD. 2 Square root 2cm

At 7:30 am, two lorries start to travel from Town P and Town Q towards each other at the speed of 63km/h and 67 km/h respectively. If the distance between the t

NEED ANSWERED ASAP!!!!

over five different weeks, Irina tracked the hours she spent exercising and the hours she spent playing video games. What is the strength of the correlation bet

What’s the area of a 72 ft diameter circle?

the change in velocity that occurs at a specific moment in time known as