A x 2 = 1 - 1/15 + 1/63 - 1/99 + ... + 1/9999
Ax2= 1-1/9999
Ax2= 9998/9999
A=9998/9999 : 2
A= 4999/9999
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A=[1/15+1/35+1/63+1/99+...+1/9999]
A = 1/15 + 1/35 + 1/63 + 1/99 + .........+ 1/9999
A= 1/15+1/35+1/63+1/99+……+1/9999
A=1/15+1/35+1/63+1/99+...+1/9999
A=1/15+1/35+1/63+1/99+...+1/9999
A = 1/15 + 1/35 + 1/63 +1/99 +...+1/9999
a=1/15+1/35+1/63+1/99.....1/9999
A= 1/15 + 1/35 + 1/63 + 1/99 +.... + 1/9999
A=1/15+1/35+1/63+1/99+...+1/9999