Find a formula an​ for the nth term of the geometric sequence whose first term is a1​=3 such that an​an​+1​=1/10 for n≥1 10. Find an explicit formula for the nth term of the add one to each term.) 11. Find an explicit formula for the nth term of the sequence satisfying a1​=0 and an​=2an−1​+1 for n≥2