question is attached. Please send step by step complete solution.

Asked by sudhanshubhushanroy | 10th Dec, 2017, 03:54: AM

Expert Answer:

begin mathsize 16px style now space we space need space to space select space 6 space digits space from space 9 space available space given space by space
left parenthesis exclude space 0 space because space it space will space form space 5 space digit space if space included right parenthesis
straight C presuperscript 9 subscript 6 space arranging space in space ascending space order space can space be space done space in space 1 space way
also space straight C presuperscript 9 subscript 6 space space equals straight C presuperscript 9 subscript 3 end style

Answered by Arun | 12th Dec, 2017, 02:59: PM