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Class 9 Mathematics Sequences and Progressions Geometric ProgressionEasy

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If a geometric progression has (a_2=15) and (r=3) what is (a_3)?

Answer and explanation

Correct answer: (45)

The third term is (a_3=a_2\times r=15\times3=45). In exams multiply the previous term by the ratio to get the next term.

Related tags

Sequences Progressions Geometric-Progression Class-9 Easy Geometric Progression Sequences And Progressions Mathematics

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