Grade 11Algebra
nC0 2nCn - nC1 (2n-2)Cn + nC2 (2n-4)Cn.............. equals to
nC0 2nCn - nC1 (2n-2)Cn + nC2 (2n-4)Cn.............. equals to
1 Answer
Ayush Raj
the coefficient of 
in ![$[{^nC_0(1+x)^{2n}} -{^nC_1(1+x)^{2n-2}}+{^nC_2(1+x)^{2n-4}}.....]$](https://latex.artofproblemsolving.com/a/8/2/a820b2e58aac8aceb3acaa3644411e84816ae2fd.png)
coefficient of in ![$[{^nC_0((1+x)^2)^{n}} -{^nC_1((1+x)^2)^{n-1}}+{^nC_2((1+x)^2)^{n-2}}.....]$](https://latex.artofproblemsolving.com/5/b/7/5b7f72ae9ed0a6915f4ccbb314f1d03002252521.png)
coefficient of in ![$[(1+x)^2-1]^n$](https://latex.artofproblemsolving.com/6/f/3/6f3f9bb4f7986187a5ce815bb5f7afd6319d8ae4.png)
coefficient of in 
coefficient of in 
Note that in such questions,you’ll have to take hint from the question-so to choose the right power of x whose coefficient gives the answer.
Other Related Questions on algebra
How do you write “the product of 18 and q” as an algebraic expression?
How do you write “the product of 18 and q” as an algebraic expression?
algebra
Last Activity: 2 Years ago