Let A = (a) Find the determinant of A. det (A) = 63 C= 9 9 -5 2 (b) Find the matrix of cofactors of A. adj (A)= 2 (c) Find the adjoint of A. A-¹ = 9 (d) Find the inverse of A. of -9 3

Q: Is x+2 a factor of x^5+8x^4−6x^3−3x^2−7x−146

A: To prove that x+2 is factor of given equation.

Q: If -5 is a root of the quadratic equation 2x^2 +px-15=0o and the quadratic equation P(x^2 +x)+K=0…

A: GIVEN: 2x2 + px - 15 = 0              Root of this equation is -5

Q: X -10)^2 =45 Solve for x and show all steps. The ^2 represents an exponent

A:

Q: then A-¹ = If A = [ 0 ].

A:

Q: Solve the equation. Make sure to check for extraneous solutions A) 4x^2-5= 2^9x+1 B) 3^x= 9^-x+5…

A: see below the answer and calculation

Q: When x = 2 , y = 4 , and z = 3 , what is the value of 2x^3 - 3y^2 + 6z

A: SOLUTION-

Q: Solve for the factors of this quadratic x^(2)+10x+21

A:

Q: Solve 2x^4 - 9x^2 = 5

A:

Q: find the roots 4x^5-21x^3+27x=0

A: Given that: 4x5-21x3+27x=0 To solve the given polynomials:…

Q: Find all the roots x^3 - 27 = 0

A: To Find: All the roots of x3-27=0. Concept: i. a3-b3=a-ba2+ab+b2ii. if px=ax2+bx+c=0, then the roots…

Q: A student is buying single-serve breakfast meals for the next 10 days. The options are meat bowl,…

A: In this problem, we consider a student who is buying single-serve breakfast meals for the next 10…

Q: Factor x^11/3+3x^8/3-10^5/3 completely

A:

Q: Solve the following equation (D^5 + 4D^4 + 2D^3 – 4D^2 + 8D + 16)y = 312e^(–2x) + 100e^(xsinx)

A: We have to solve the following equation: D5+4D4+2D3-4D2+8D+16y=312e2x+100exsinx