A real root of x3 – 3x? + x +7=0 lies between two consecutive integers. Find these two integers. between -1 and 0 between O and 1 between -2 and -1 at -1

Q: Express as a polynomial.

A: To express 13a2+4b13a2-4b as a polynomial. Solution: We have identity a+ba-b=a2-b2. Using the above…

Q: Solve the polynomial x² - 6x = -8 x = 2,4 x = -2, -4 x = -1, -8

A: Given polynomial x2 - 6x = -8

Q: Find the roots of 4x5 – 16x4 + 17x3 – 19x2 + 13x – 3 = 0.

A:

Q: Which of the following is equivalent to (1-x)(1+x) - 3x (2-x)? A. 3x² - 6x +1 B. -3²-7x + 1 C.-4x² -…

A: Recall: (a+b)(a-b)=a2-b2

Q: | 2t + 5 | = 4

A: Given: 2t+5=4 Formula Used: u=a,a>0⇒u =a or u=-a

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

A: Solution

Q: Find the roots of 3t2-16t+20

A:

Q: (2+1) x (9-?)=12

A: Just try to simplify and that's easy.

Q: Find the values between which the expression x2-4x+3/x2+3  lies where x is and an element of real…

A:

Q: EXE N)(2x +3=4x+2). %3D O True O False

A: We now check whether the following is true or false. (∃ x ∈ N)(2x+3=4x+2) i.e. there exists x ∈ N…

Q: dx |x-1|

A: To evaluate the following integral.

Q: [50-(4+8)+3]-[30+(18-3)]-

A:

Q: |8x - 7|-1= 10

A:

Q: Subtract. . (5x° - 4x? + 5x- 7) - (3x³ - 6x² - 3x +3) (5x - 4x? + 5x - 7) – (3x° – 6x² - 3x + 3) = D…

A:

Q: x²dx 3. (2 +3x)²/3

A: To integrate: ∫x22+3x23dx

Q: x² - 5x + 6.+3 x² -9 5x-10 and write the answer in simplest form

A: Given: x2-5x+6x2-9×x+35x-10 To multiply the answer and write in simplest form.

Q: Hi.  I need help.   (1/x-2)+(3/x+3)=4/x2+x-6

A: We have to prove both the sides

Q: VA – 3 4 2x + 1 X

A: To find the value of the given integral by substitution method. Here we change the dx to dz and then…