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The 4th term of an A.P. is equal to 3 times the first term and the 7th term exceeds wice the 3rd term by 1. Find the 1st term and d. The 4th term of an A.P. is equal to 3 times the first term and the 7th term exceeds wice the 3rd term by 1. Find the 1st term and d.
The 4th term of an A.P. is equal to 3 times the first term and the 7th term exceeds wice the 3rd term by 1. Find the 1st term and d.
Dear student, a+3d=3a 2a=3d a+6d-a-2d=1 d=1/4 a=3/8
Dear student,
a+3d=3a
2a=3d
a+6d-a-2d=1
d=1/4
a=3/8
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