Question

CHAPTER: PERMUTATIONS AND COMBINATION




QUESTION:




1*3*5*7*9*11*.....................,*(2n-1)=?




FIRST ANSWER WILL BE MARKED AS BRAINLIEST ​

Answer 1

1*2*3*4*... ..........*2n=(2n)!

2*4*6*8.......*2n=2^n × (n)!

divide the equations

u get

1*3*5*7.............*2n-1 = (2n)!/2^n × n!