00:01
We're being asked to use pascal's triangle to expand the binomial bm plus n all raised to the third power.
00:08
So because that exponent is a 3, we're going to use the n equals 3 row in pascal's triangle, which is 1, 3, 3, 1.
00:16
So that's going to give us our coefficients for each of our terms.
00:20
So now, how will this work? well, that means the coefficient for the first term is 1.
00:26
Then for our first term in our binomial, which is m, m will get raised to 3 .5.
00:30
The third power, and n will get raised to the zero power.
00:33
Remember, your exponents always have to add up to the exponent for your binomial.
00:39
So now, our next term, we'll have a coefficient of three, and then we're going to drop one from the m and add one to the n exponent.
00:47
So we're going to have m squared, n to the first...