Find a and d if a-3d , a-2d, a-d ,a+d, a+2d, a+3d are in Ap

1.	Find a and d if a-3d , a-2d, a-d ,a+d, a+2d, a+3d are in Ap
Answer» Here, a = a - 3d.............. d = a - 2d - ( a - 3d)........... d = a - 2d - a + 3d........... d = 1d...

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