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291. Zero of the polynomial p(x) = cx + d is:

- d

- c

$straight d over straight c$
$straight d over straight c$

straight d over straight c

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292. Degree of the polynomial p(x) = 4x⁴ + 2x³ + x⁵ + 2x + 7 is:

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293. The degree of the polynomial 2 - y² - y³ + 2y⁷ is:

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294. One of the factors of (16y² - 1) + (1 - 4y)² is:

(4 + y)
(4 - y)
(4y + 1)
(4y + 1)

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295. If p(x) = 7 - 3x + 2x¹, then value of p(-2) is:

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296. Which of the following is a quadratic polynomial in one variable?

$square root of 2 straight x cubed end root plus 5$
2x² + 2x^-2
x²
x²

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297.

If $x to the power of 1 third end exponent plus y to the power of 1 third end exponent plus z to the power of 1 third end exponent equals 0 comma$ then which one of the following expressions is correct?

x³ + y³+ z³ = 0
$straight x plus straight y plus straight z equals 3 space straight x to the power of 1 third end exponent space straight y to the power of 1 third end exponent straight z to the power of 1 third end exponent$
x + y + z = 3xyz
x + y + z = 3xyz