Use an inverse matrix to solve system of linear equations.

pancha3
2021-02-18
Answered

Use an inverse matrix to solve system of linear equations.

You can still ask an expert for help

Mitchel Aguirre

Answered 2021-02-19
Author has **94** answers

Step 1

In matrix form, given system of equations cab be written as

We know that

Step 2

Therefore,

Therefore, solution of system of equations is

Result:

asked 2021-05-13

A movie stuntman (mass 80.0kg) stands on a window ledge 5.0 mabove the floor. Grabbing a rope attached to a chandelier, heswings down to grapple with the movie's villian (mass 70.0 kg), whois standing directly under the chandelier.(assume that thestuntman's center of mass moves downward 5.0 m. He releasesthe rope just as he reaches the villian).

a) with what speed do the entwined foes start to slide acrossthe floor?

b) if the coefficient of kinetic friction of their bodies withthe floor is 0.250, how far do they slide?

asked 2020-10-18

Find a least squares solution of Ax=b by constructing and solving the normal equations.

$A=\left[\begin{array}{cc}3& 1\\ 1& 1\\ 1& 4\end{array}\right],b\left[\begin{array}{c}1\\ 1\\ 1\end{array}\right]$

$\stackrel{\u2015}{x}=$ ?

asked 2022-02-04

How do you multiply $(k-7)}^{2$ ?

asked 2022-01-20

How do I find the common logarithm of a number?

asked 2021-11-07

To simplify the expression $(-27)}^{\frac{1}{3}$

asked 2022-04-27

Solve the equation for x. $\mathrm{ln}\left(\mathrm{ln}3x\right)=0$

asked 2022-06-05

Need help with a proof concerning zero-free holomorphic functions.

Suppose $f(z)$ is holomorphic and zero-free in a simply connected domain, and that $\mathrm{\exists}g(z)$ for which $f(z)=$ exp$(g(z))$

The question I am answering is the following:

Let $t\ne 0$ be a complex number. Prove that $\mathrm{\exists}h(z)$ holomorphic such that $f(z)=(h(z){)}^{t}$

I see that the idea makes sense, but a nudge in the right direction would be appreciated.

Suppose $f(z)$ is holomorphic and zero-free in a simply connected domain, and that $\mathrm{\exists}g(z)$ for which $f(z)=$ exp$(g(z))$

The question I am answering is the following:

Let $t\ne 0$ be a complex number. Prove that $\mathrm{\exists}h(z)$ holomorphic such that $f(z)=(h(z){)}^{t}$

I see that the idea makes sense, but a nudge in the right direction would be appreciated.