Question

Solve the equation 17 = 119 for = 1, 3, 5, 7​

Answer 1

Answer:

AP is 1,3,5,7....199

a=1,d=2 and last term l=199

t

n

=a+(n−1)d

⇒199=1+(n−1)×2

⇒2n=200

n=100

∴sum=

2

n

[a+l]=

2

100

[1+199]

=

2

100

×200=10000