which of the following expression is polynomial , state whether it is a polynomial in one variable or not :
(1) x²-15x+50
(2) x³+3x²y+3xy²+y
(3) x²+y²+z²+2xy+2yx+2zx
(4)5x²+11x-2√x
(5) 3x²+5x-7+8/x
(6) √3x²+ πx- 9
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Step-by-step explanation:
1st,4th,5th and 6th are polynomial in only one variable x
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Step-by-step explanation:
1) is a polynomial in one variable
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