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Algebraic Identities

2 PYQ across 1 exam · 2021–2021 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

20212 PYQs
CISFQ5
If the sum of a real number and its reciprocal is equal to 5, then what is the sum of the squares of the number and its reciprocal ?…
CISFQ6
If a > b are two real numbers such that a + b = 10 and a² + b² = 52, then what is the value of a – b ?…
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