(AP) Arithmetic Progression JEE MAINS || JEE MAINS PREVIOUS YEAR QUESTION PAPER || NATWAR MISHRA

In this video Natwar Mishra sir has explained a question from ARIHANT previous year solved questions on JEE MAINS.

Q. . The common difference of the AP 𝒃𝟏, 𝒃𝟐….𝒃𝒏 is 2 more than the common difference of 𝒂𝟏, 𝒂𝟐, 𝒂𝟑…. 𝒂𝒏. If 𝒂𝟒𝟎=-159 and 𝒂𝟏𝟎𝟎=-399 and 𝒃𝟏𝟎𝟎= 𝒂𝟕𝟎, then 𝒃𝟏 is equal to

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