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## Homework Statement

Show matrix is invertible. THanks

The matrix A is dened by

1 x1^2 x1^3 x1^4 ......x1^n-1

1 x2^2 x2^3 x2^4 ......x2^n-1

......

......

1 xn^2 xn^3 xn^4 ......xn^n-1

where x1; x2,...... xn are distinct real numbers.

## Homework Equations

## The Attempt at a Solution

## Homework Statement

## Homework Equations

Show that A is invertible.

## The Attempt at a Solution

Show that A is invertible.