which of the following is a polynomial?
a. x cube + X + 3 upon X raise to the power 5
b. under root x + 5
c. X raise to the power 3 upon 4 minus 7 x + 4
d. 3 by 2 x cube minus 4 by 3 X square + 2 x minus one
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(ii) 4 - y2. (iii). (iv) 3. Ans. (i) 5x3 + 4x2 + 7x. ∵ The highest exponent of x is 3. ... (iii) x = 2. Ans . (i) ∵ p(x) = 5x – 4x2 + 3 = 5(x) – 4(x)2 + 3 ... ( vii) p(x) = cx + d, c ≠ 0, c, d are real numbers.
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