write the solution set of 2 x minus 4 is greater than or equal to zero in interval if x is a real number
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Answer:
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Exercise 6.1
Question 1:
Solve 24x < 100, when (i) x is a natural number (ii) x is an integer
Answer:
The given inequality is 24x < 100
=> x < 100/24
=> x < 25/6
(i) It is evident that 1, 2, 3, and 4 are the only natural numbers less than 25/6
Thus, when x is a natural number, the solutions of the given inequality are 1, 2, 3, and 4.
Hence, in this case, the solution set is {1, 2, 3, 4}.
(ii) The integers less than are ...–3, –2, –1, 0, 1, 2, 3, 4.
Thus, when x is an integer, the solutions of the given inequality are ...–3, –2, –1, 0, 1, 2, 3, 4.
Hence, in this case, the solution set is {......,–3, –2, –1, 0, 1, 2, 3, 4.
Answer:
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