Question

8. Using set theory, find the HCF of 9 and 36.
6. A set has 8 possible subsets, find the cardinal number of the set.
7. A set has 63 possible proper subsets, find the cardinal number of the set.​

Answer 1

Answer:

HCF is 9

Step-by-step explanation:

$hcf \\ 9 = 3 \times 3 \\ 36 = 3 \times 3 \times 2 \times 2 \\ common \: is \: 3 \times 3 \\ so \: hcf = 9$

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