JEE Math Practice Question
If $${a_n} = {{ - 2} \over {4{n^2} - 16n + 15}}$$, then $${a_1} + {a_2}\, + \,....\, + \,{a_{25}}$$ is equal to :
- A.$${{51} \over {144}}$$
- B.$${{49} \over {138}}$$
- C.$${{50} \over {141}}$$
- D.$${{52} \over {147}}$$
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