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chetan2u received 1 Kudos for post Re: What is the value of a - b ? (1) a^2 - b^2 = 9 (2) a^2 - 2ab + b^2 = 1.

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ShikhacocRe: What is the value of a - b ? (1) a^2 - b^2 = 9 (2) a^2 - 2ab + b^2 = 109-Apr-2020

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