Mathematics for IGCSE & O level - Indices 2 (Section 1 - No. 2) | ExamPlay

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Mathematics for IGCSE & O level - Indices 2 (Section 1 - No. 2)

Which of the following is equivalent to (x^-1 + y^-1)?

x + y

1/(x+y)

1/x + 1/y

xy

Explicació

x^-1 is the same as 1/x, and y^-1 is the same as 1/y

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