Question

If a=10& d=10 , then the value of a5 is

Answer 1

Answer:

we use this formula

an=a1+(n-1)d

we know that

a1=10

d=10

we find that a5,so

then we put n=5 in equation 1st

a5=10+(5-1)×10

a5=10+(4)×10

a5=10+40

a5=50

that's is required Answer