The common difference of the A.P. $$\frac{1}{3},$$ $$\frac{{1 - 3b}}{3 – McqOptions

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1.	The common difference of the A.P. $$\frac{1}{3},$$ $$\frac{{1 - 3b}}{3},$$$$\frac{{1 - 6b}}{3},$$. . . . . .is
A.	$\frac{1}{3}$$
B.	$ - \frac{1}{3}$$
C.	$ - b$$
D.	$b$$
Answer» D. $b$$

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