Question

20.The decimal expansion of the rational number 74/〖2^3.5〗^4 will terminate after Places

21.Write whether (2√45+3√20)/(2√5) on simplification give a rational or an irrational number.

22. Find the zeroes of the polynomial and verify the relationship between the zeroes and the coefficient

a) 4x2 + 1 – 4x b) x2 – 3 c) 4x2 – 7 d) √3x2 – 8x + 4√3

23.Find the polynomial, whose zeroes are 2 + √3 and 2 - √3

24.Form a quadratic polynomial, one of whose zero is 2 + √5 and the sum of zeroes is 4

25.Find a quadratic polynomial whose sum and product of the zeroes are 21/8 and 5/16​

Answer 1

Answer:

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Step-by-step explanation:

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