Mathematics, 17.10.2020 08:01 Yoma321

HELP AFAP Please help its important I'll make you brainlist 3a.
The seventh, third and first terms of an arithmetic sequence form the first three terms of a geometric sequence. The arithmetic sequence has first term and non-zero common difference . Show that = /2 .

3b.
The seventh term of the arithmetic sequence is 3. The sum of the first terms in the arithmetic sequence exceeds the sum of the first terms in the geometric sequence by at least 200. Find the least value of for which this occurs.

HELP AFAP Please help its important I'll make you brainlist

3a.
The seventh, third and first term

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HELP AFAP Please help its important I'll make you brainlist 3a.
The seventh, third and first...