let y = [x], where [ ] is greatest integer function. then which of the following is true 1)- |x| = x[x] 2)- [[x]] = [x] 3)- x = |x|[x] 4)- all of the above

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2nd option is correct as u take any number the greatest integer of that number is always integer. For example take x=2.78 then RHS is [x]=2 and LHS is [[2.78]]=[2]=2 therefore 2 nd option is write

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let y = [x], where [ ] is greatest integer function. then which of the following is true 1)- |x| = x[x] 2)- [[x]] = [x] 3)- x = |x|[x] 4)- all of the above

let y = [x], where [ ] is greatest integer function. then which of the following is true

1)- |x| = x[x]
2)- [[x]] = [x]
3)- x = |x|[x]
4)- all of the above

1 Answers

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let y = [x], where [ ] is greatest integer function. then which of the following is true 1)- |x| = x[x] 2)- [[x]] = [x] 3)- x = |x|[x] 4)- all of the above

let y = [x], where [ ] is greatest integer function. then which of the following is true 1)- |x| = x[x]2)- [[x]] = [x]3)- x = |x|[x]4)- all of the above

1 Answers

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let y = [x], where [ ] is greatest integer function. then which of the following is true

1)- |x| = x[x]
2)- [[x]] = [x]
3)- x = |x|[x]
4)- all of the above