factorise x²+1/4x²+1-3x-3/2x
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I don't known sorry ....................
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(i) 4x² - 3x + 7 = 4x² - 3x + 7x0
4x² - 3x + 7 is a polynomial in one variable.
(ii)
is a polynomial in one variable.
(iii)
Now, is not a whole number.
is not a polynomial.
(iv) Now, -1 is not a whole number.
is not a polynomial
(v) x10 + y³ + t50. Here, exponent of every variable is a whole number, but x10 + y³ + t50 is a polynomial in x, yand t, i.e. in three variables. So, it is not a polynomial in one variable.
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