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Question

Write each of the following polynomials in the standard form. Also, write their degree.
(i) x2 + 3 + 6x + 5x4
(ii) a2 + 4 + 5a6
(iii) (x3 − 1)(x3 − 4)
(iv) (y3 − 2)(y3 + 11)
(v) a3-38a3+1617
(vi) a+34a+43

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Solution

(i) Standard form of the given polynomial can be expressed as:(5x4+x2+6x+3) or (3+6x+x2+5x4) The degree of the polynomial is 4.(ii) Standard form of the given polynomial can be expressed as:(5a6+a2+4) or (4+a2+5a6) The degree of the polynomial is 6.(iii) (x3-1)(x3-4)=x6-5x3+4Standard form of the given polynomial can be expressed as:(x6-5x3+4) or (4-5x3+x6)The degree of the polynomial is 6.(iv) (y3-2)(y3+11)=y6+9y3-22Standard form of the given polynomial can be expressed as:(y6+9y3-22) or (-22+9y3+y6)The degree of the polynomial is 6.(v) (a3-38)(a3+1617)=a6+77136a3-617Standard form of the given polynomial can be expressed as:(a6+77136a3-617) or (-617+77136a3+a6)The degree of the polynomial is 6.(vi) (a+34)(a+43)=a2+2512a+1Standard form of the given polynomial can be expressed as:(a2+2512a+1) or (1+2512a+a2)The degree of the polynomial is 2.

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