2. Find a quadratic polynomial each with the given numbers as the sum and product of its
zeroes respectively.
(i)
(ii)
(iii)
(iv) 1, 1
(v)
(vi) 4, 1
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2. Find a quadratic polynomial each with the given numbers as the sum and product of its
zeroes respectively.
(i)
(ii)
(iii)
(iv) 1, 1
(v)
(vi) 4, 1
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How to find number of zeroes of different polynomials if graphs of polynomials are given to us.
Number of zeroes for any polynomial is equal to number of times its graph meets the x-axis.
3. The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. If, they are rational, and of the form
, what can you say about the prime factors of q?
(i) 43.123456789 (ii) 0.1201120012000120000…. (iii)
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2. Write down the decimal expansions of those rational numbers in Question 1 which have terminating decimal expansions.