What is 27 of a week (find)?
Convert fraction of week into days.
As we know,
1week=7days
∴27ofaweek=27×7⇒=2days
Hence, 27 of a week is equal to 2 days.
The sum of the series 23!+45!+67!+... to ∞ = ae. Find (a+3)2.
If f=x1+x2+13(x1+x2)3+15(x1+x2)5+... to ∞ and g=x−23x3+15x5+17x7−29x9+..., then f=d×g. Find 4d.