Use Cramer's rule to find only the value of x2 , where a is a positive real number. 2x2 – x3 + x4 = -4 4x3 + ax4 = 0 x2 – 5x3 + 2x4 = -2 x1+7x2+8x3+6x4 = 10.

Q: Let a = - 2ỉ - 4j – k and b = 4j + 2k. Find — ả + b. V

A:

Q: Factor: =?+6:a+9a² OA (: +3a)* O B. (3a+:)(3a-=) За- O C. Nonfactorable O D. (:-3a)* O E. (: +3a)(=-…

A: A option is correct. Explanation of the answer is as follows

Q: Let B = [-1 1 4 -3] Find -4B

A: Solution

Q: (2x+3)(x-1)

A:

Q: Determine all values of the constants a0,a1,a2, and a3 such that x3+2x =a0P0+a1P1+a2P2+a3P3.

A: We are given the following equation: x3+2x=a0P0+a1P1+a2P2+a3P3 Our aim is to find the values of all…

Q: Simplify the polynomial (3x² + 2xy + 5y²) - (-3x² - 2xy + 3y²) O-9x² + xy + 8y² 2x² - 4xy-8y² 3x² +…

A:

Q: Simplify √175x^6y^11 to the form a√b

A: I=175x6y11x=x12a.b=a×b

Q: perform the indicted operation simplifly the result t2-4t+4 / t2-4t-5  x  5-t/t2-4

A: Given expression, t2-4t+4t2-4t-5×5-tt2-4

Q: dx |x-1|

A: To evaluate the following integral.

Q: Add or subtract the polynomials (7x3-x2y+4y3) + (2x3+5x2y+3xy2) - (5x2y+6xy2+y3) ?

A: Distribute the signs.

Q: 4. 8х - Зу (-) -4x + 8y. 5. 6rs - 7bc (-) 9rs – 7bc 5ху - 9cs (-)-3xy + cs 6.

A:

Q: Evaluate 1 (w - 3)4 √₁₂ dw.

A:

Q: 3t(2P - 5t + 4) = 68 - 15P + 12t O True False

A: We have To verify 3t(2t2-5t+4)=6t3-15t2+12t