Write the standard form of a cubic polynomial with real coefficients.
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SOLUTION :
CUBIC POLYNOMIAL :
A polynomial of degree three (3) is called quadratic polynomial.
For e g :
(i) f(x) = 5x³
(ii) 7x³ -5x²
(iii) 8z³ + 6z² + 5z - 6
Any cubic polynomial in variable x with real coefficients is of the form f(x) = ax³ + bx² + cx +d , where a, b, c,d are real numbers and a ≠ 0.
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the standard form of cubic polynomial is axcube.+ bxsq.+cx+d=0
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