7.2 Arithmetic Sequence (Progression)
All Questions
Fourth term of <math><msub><mi>a</mi><mi>n</mi></msub><mo>=</mo><mfrac><mn>1</mn><msup><mrow><mo>(</mo><mn>2</mn><mi>n</mi><mo>-</mo><mn>1</mn><mo>)</mo></mrow><mn>2</mn></msup></mfrac></math>
a)
47
b)
48
c)
49
d)
50
Check
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