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Grade: 12th Pass
        

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.

8 years ago

Answers : (1)

SAGAR SINGH - IIT DELHI
879 Points
							

Dear student,

a+3d=3a

2a=3d

a+6d-a-2d=1

d=1/4

a=3/8

8 years ago
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