Wednesday

September 3, 2014

September 3, 2014

Posted by **Genie_math** on Wednesday, October 3, 2012 at 8:49pm.

I understand that we have to use the binomial theorem. I know how to

find the coefficient for example x^18 but here we have "x" as well as

"y" which I have no idea about.

- Discrete math -
**Reiny**, Wednesday, October 3, 2012 at 8:54pmgeneral term(r+1)

= C(50,r)(x^(50-r) y^r

comparing this with ? x^18 y^32 we can see that r = 32

so we want C(50,32) which is 1.80535 x 10^13

- Discrete math -
**Genie_math**, Wednesday, October 3, 2012 at 9:05pmHow many monomials appear in the expansion of (x + y + z)^75?

**Answer this Question**

**Related Questions**

Math - another question - "In the expansion of (2-ax)^5 the coefficient of x^2 ...

Math - Use the Binomial Theorem to determine the coefficient of x^14 in the ...

math - Hi, I am trying to solve a problem using Chebyshev's Theorem. The ...

Integrated Math 1 - What is the coefficient of the xy^2 term in the expansion of...

Algebra Binomial Theorem - Hi, can somebody help me with this math problem I am ...

Binomal Theorem - 1A> What is the coefficient of x^(2r) in the expansion of (...

maths-binomial theorem - coefficient of x^39 in the expansion of [(1/x^2) + x^4...

Math - Find the coefficient of x^2y^3 in the binomial expansion of (x-2y)^5.

Math - Use the Binomial Theorem to find the fifth term in the expansion (2x+3y)^...

Algebra2/trig - Hi, I can't figure out what I'm supposed to do on this problem. ...