An Arithmetic Sequence Is Given $\left\{ \frac { 1 } { 9 } + \frac { n } { 7 } \right\}$

question 62

Multiple Choice

An arithmetic sequence is given. Find the common difference and write out the first four terms.
- $\left\{ \frac { 1 } { 9 } + \frac { n } { 7 } \right\}$

• A) \(\mathrm { d } = \frac { 1 } { 9 } ; \frac { 1 } { 9 } , \frac { 16 } { 63 } , \frac { 25 } { 63 } , \frac { 34 } { 63 }\)
• B) \(\mathrm { d } = \frac { 1 } { 7 } ; \frac { 1 } { 9 } , \frac { 16 } { 63 } , \frac { 25 } { 63 } , \frac { 34 } { 63 }\)
• C) \(\mathrm { d } = \frac { 1 } { 7 } ; \frac { 16 } { 63 } , \frac { 25 } { 63 } , \frac { 34 } { 63 } , \frac { 43 } { 63 }\)
• D) \(\mathrm { d } = \frac { 1 } { 9 } ; \frac { 16 } { 63 } , \frac { 25 } { 63 } , \frac { 34 } { 63 } , \frac { 43 } { 63 }\)

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