Question

term is
Find the first 5 nos, of sequence whose nth term is an=(-1)^n-1 5n+1​

Answer 1

Answer:

25,-125,625,-3125,15625

Step-by-step explanation:

an=(-1)^(n-1)5^(n+1​)

a1=(-1)^0*5^2=25

a2=(-1)^1*5^3=-125

a3=(-1)^2*5^4=1*625=625

a4=(-1)^3*5^5=-3125

a5=(-1)^4*5^6=15625