Question

Which statement about the simplified binomial expansion of (a + b)^n, where n is a positive integer, is true?

Answer 1

Possible answers include....
The value of the binomial coefficient nC0 is n – 1 for all values of n.
The values of nC1 and nCn–1 are equal to 1.
The values of nC0 and nCn are equal to 1.
The value of the binomial coefficient nC1 is n – 1 for all values of n.

Answer 2

Those question marks are subtraction signs.

Answer 3

@Nnesha

Answer 4

have you ever seem pascal's triangle ?

Answer 5

or you could calculate using the combination formula

\[^n C _{r} = \frac{n!}{r!(n - r)!}\]

so let r = 0 and calculate the value... and then r = n and calculate the value

and remember 0! = 1

Answer 6

Ok, I got it. The answer is C. Thank you.

Answer 7

correct