3 years ago

Which of the following represents the number of subsets of five elements can be formed from a set of six elements?

1 answer:

8 0

We Know that

the number of subsets of five elements can be formed from a set of six elements-------------> C (6,5)=[6!]/[(6-5)!*5!]--------> 6
C(6,5)=6

the answer is the option C(6, 5)

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Answer:

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Step-by-step explanation:

We need to factor the trinomial: $x^2+13x+12$

We can factor the trinomial by breaking the middle term i.e 13x

Such that adding or subtracting gets the both terms we get 13x and multiplying both terms we get 12x^2

We can break 13x as: 12x and x

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$x^2+13x+12\\=x^2+12x+x+12\\=x(x+12)+1(x+12)\\=(x+1)(x+12)$

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