## ‘0’ and ‘1’ only but no two consecutive Zero

Let denote the number of all n-digit positive integers formed bt the digit ‘0’ and ‘1’ or both such that no consecutive digits in them are 0. Let = the number of such n-digit integers ending with digit 1 and = the number of such n-digit integers ending with digit 0

Which of the following is correct ?

(A)

(B)

(C)

(D)

What is the value of

(A) 7

(B) 8

(C) 9

(D) 11