12) cos x = -0.83

Q: Q9\ Solve the equation z +j2z+(1– j) = 0. Express the answer in exponential and Cartesian forms.

A:

Q: Solve  7z^2 - 42z = 0

A: Solution: The objective is to solve the given equation

Q: Solve equation z^3+27i = 0 and answer with the exact value in the form a+bi.

A: z3=27i

Q: Solve the equation (x2+5x2y2)dx+e(x^3)ydy=0

A:

Q: Using Bi-section method, find a real root of the equation x3 – x -11 =0 between 2 & 3 after 3…

A:

Q: y = 2x + x2 =1

A:

Q: a. Using the fixed point method, derive the formula xn= x-1-b 'n-1 2xn-1-a For the approximate roots…

A:

Q: Solve In (x+1)2

A: Given, y = lnx2+112   We have to find the dydx

Q: Solve the equation. (*+ 12/5 - 30x + 1)'/5+2=0

A: Given equation is, x+125-3x+115+2=0 Let us substitute u=x+11/5 Therefore the given equation will…

Q: Find the equation of a quadratic function that has the following root x = 5i and x = - 5i and passes…

A: We need to find the equation of a quadratic function that has the following root x = 5i and x = - 5i…

Q: Solve (D²+3D_^) y = 75i12x

A:

Q: Derive all the possible equations of x. Given : (x-2)^2+lnx=0

A:

Q: eex - 6e^-27=0 -273D0 Find exact solution

A:

Q: 4x^5-100x^13/3=0 solve for non zero solutions

A: Given,

Q: Solve (4D^3 − 13D + 6 )y = 0 • What is the auxiliary equation? • What are the roots of the…

A: Solution

Q: solve 4cos^2(x)-13cos(x)-12=0 for all solutions 0<=x<2pie

A: We can find the solution as below.

Q: Solve Using NEWTON RAPHSON METHOD 40x^3 + 1.86x^2 – 59.36 = 0 limitations (1-2)

A: