9. Two zeros of f(x) = x* – 7x³ +x² – 63x – 72 are 3i and 8. In what form are the other roots? A. 1 rational, 1 imaginary root B. 1 rational and 1 irrational root C. 2 rational roots D. There are no other roots

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A: Using factorisation to find roots

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Q: Which one of the following is a root of √2x1-x+=0? O x = 5 x = 1 O x = 7 x = 3

A: We have to find the roots

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Q: Ar) = x - 4x' + 5x2 - 3x + 3

A: see next step

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A:

Q: 2. Find all solutions to the equation in the interval [0, 4T]: (Hint: Use your factoring techniques…

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A:

Q: 4. Consider the complex number w = 3cis (5). For which value(s) of k is x – wa factor of the…

A: I am going to solve the given problem by using some simple geometry to get the required result.

Q: ᴡʜᴀᴛ ɪꜱ ᴛʜᴇ ᴘᴇʀɪᴏᴅ ᴏꜰ ᴛʜᴇ ꜰᴜɴᴄᴛɪᴏɴ ꜰ(x) = ₄ᴄᴏꜱ ₂π(x + ₃)? ᴀ. ₁ ʙ. π ᴄ. x + ₂ ᴅ. ₂π

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Q: The domain of the function f(x) Select one: = 2x+5 2x-5 a. {x x#5} b. {x x#5/2} c. {x x*-5/2} d. {x…

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Q: 15. Given the equation 3x-4x -12 =0, how many roots are there? Rational or irrational?

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Q: If p(q=r) prove that x +q{r-p}x+p-q) = 0 has equal roots, ther 211 q = р

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Q: 2) Find Possible Positive, Negative or Imaginary Zeros. f(x) = -2x° + x² - 8x + 3 %3D Count the…

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Q: x Q3: Show that csch-¹ (²7) = coth-¹(x+¹) x-1,

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A: Zeroes of a function : Where a function equals the value zero (0).

Q: 6. How many negative real zeros does the function f(x) = 625 - + 8x2 - 20 200 - O O or 2 O 1 or 3

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A: The quadratic polynomial f(x)=ax2+bx+c Formula is given by x=-b±b2-4ac2a

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A: Firstly find conjugate of w then proceed as required.

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Q: M/C How many solutions are there to the equation X1+ X2 + X3 + X4 + Xg = 25 where each X¡ is and…

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