ow many 5-element subsets of [30] are there whose smallest element is at most 3?

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Q: Please show steps thank you

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Q: Please

A: Here we find solution by Gauss Jorden Method, Inverse of matrix method and varify it.

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Q: 23. Find the coordinate vector [r]B of x relative to the given basis B = {b1, ...,bn}. 8 bị by 4 b3…

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Q: 30. Let S be the set of lower case English letters. Define a relation N on all subsets of S as…

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A: This question solve by the method which is given below.

Q: 2. Prove: for all sets A and B, if A C B, then AUBC B.

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Q: 29. Define a relation D on R as follows: For every ordered pair (r, y) E R x D y + y – x > 5 (a)…

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