3 years ago

MATH PLEASE HELP ASAP

Mathematics

1 answer:

Bezzdna [24]3 years ago

4 0

Answer:

1. X=7

2. x=2

Step-by-step explanation:

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2 years ago

A sequence can be represented by the formula t(n)=6; t(n+1)=3*t(n). write the first 4 terms of the sequence. what would be an ex

Kamila [148]

Answer:

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3 years ago

For what values of a does the equation a+x= 1+xa^2 have no solution?

Anton [14]

Answer:

We have the equation

$a+x= 1+xa^2$

we leave the terms with x on the left side of the equation and the independent terms on the right side.

$x-xa^2=1-a\\(1-a^2)x=1-a\\$

resolving for x we have that

$x=\frac{1-a}{1-a^2}$

Since we need that the equation doesn't have solution, then it is necessary that the denominator of x be 0 and this occur when $1-a^2=0\\1=a^2\\a=\pm1$