Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Let a = 8 and b = `3^9` and we define a sequence `{u_n}` as follows`u_1=b,u_(n+1) = {(1/3u_n ;,if u_n is mbox (multiple of 3)),(u_a +a ;,otherwise)}`Then `u_500 – u_300 _ u_400` is equal to - Sarthaks eConnect
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Let a = 8 and b = `3^9` and we define a sequence `{u_n}` as follows

`u_1=b,u_(n+1) = {(1/3u_n   ;,if u_n   is   mbox (multiple of 3)),(u_a +a     ;,otherwise):}`

Then `u_500 – u_300 _ u_400` is equal to

A.

1

B.

3

C.

5

D.

7