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MathsMediumMCQ2022 ยท 27 Jun Shift 2

Q63.Let S = 2 + 76 + 1272 + 2073 + 3074 + โ€ฆ . . then 4S is equal to JEE Main 2022 (27 Jun Shift 2) JEE Main Previous Year Paper (1) ( 27 ) 2 (2) ( 73 ) 3 (3) 3 7 (4) ( 37 ) 4

What This Question Tests

This question tests the ability to identify and sum an Arithmetico-Geometric Progression by standard methods, possibly involving finding differences in the numerator terms.

Concepts Tested

Arithmetico-Geometric ProgressionSum to infinity of AGP

Formulas Used

S = a + (a+d)r + (a+2d)r^2 + ... = a/(1-r) + dr/(1-r)^2

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