Q1. Draw a number line and locate points on them.
(1)17,27,37,47,
Draw a number line and mark34,74,−34 and −74 on it.
Draw number line and locate the points on them:
18, 28, 38, 78
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.
The sum of the series 23!+45!+67!+... to ∞ = ae. Find (a+3)2.