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Which of the following algebric expressi...

Which of the following algebric expressions are polynomials?
`x^3-3x^2+4sqrtx`

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`x^3-3x^2+4sqrtx` is not polynomial since `4sqrtx=4x(1/2) `power of x is 1./2 .
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QUANTUM CAT-ELEMENTS OF ALGEBRA-QUESTION BANK
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  5. Which of the following algebric expressions are polynomials? x^3-2x+x...

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  13. Find the number of terms in 4xyz-(3)/(x^(2))+6xyz^(2)-5z^(3)+6x:

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  14. Find the number of terms in 7xxa+bdiv3-c+b.

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  17. Find the degree of the polynomial 4x^(5)-2x^(2)y^(3)+6.

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  18. Simplify the following : 2x^(2)+3y^(2)-5xy+5x^(2)-y^(2)+6xy-3x^(2)

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  20. Multiply (1)/(2)a^(2)b-(2)/(3)ab^(2)+b by 6abc:

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