What is the remainder when \(a^2+b^2\) is divided by 7?

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by Vincen » Wed Aug 26, 2020 2:28 am

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What is the remainder when \(a^2+b^2\) is divided by 7?

1. \(a - b = 4\)

2. \(a^2b^3\) is divisible by 14.

Answer: C

Source: e-GMAT

Source: Beat The GMAT — Data Sufficiency | Wed Aug 26, 2020 2:28 am

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