Which of the following statements regarding the expansion of (x + y)n are correct?

For any term x^ay^b in the expansion, a + b = n

And

The coefficients of x^n and y^n both equal 1

Step-by-step explanation:

A p e x

correct answers are:

for any term x^a y^b in the expression, a+b=n

the coefficients of x^a y^b and x^b y^a are equal

the probability of a drawing club is 13/52.

The probability of drawing a face card is 12/52.

Step-by-step explanation:

hope it's helpful