Question

Find the degree of following polynomials. (a) 5x2−8x7+3x (b) 4y3−3y+8

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Solution

(a) In polynomial 5x2−8x7+3x ; (i) The degree of term 5x2 = 2 (ii) The degree of term −8x7=7 (iii) The degree of term 3x = 1 Since, the greatest power is 7, therefore degree of the polynomial 5x2−8x7+3x is 7 (b) The degree of polynomial ; (i) The degree of term 4y3=3 (ii) The degree of term -3y = 1 (iii) The degree of term 8 = 0 Since, the greatest power is 3, therefore degree of the polynomial 4y3−3y+8 is 3

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