Deirdre Casey

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    Deirdre Casey copied Find and use the formula for a geometric sequence to Deirdre's copy of Find and use the formula for a geometric sequence 6 years, 6 months ago

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    Deirdre Casey commented on Find and use the formula for a geometric sequence 6 years, 6 months ago

    In part b does not accept correct answer. Mistake also shown in the solutions.

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    Deirdre Casey on Find and use the formula for a geometric sequence 6 years, 6 months ago

    Gave some feedback: Has some problems

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    Deirdre Casey on Solving linear simultaneous equations by elimination 6 years, 6 months ago

    Gave some feedback: Has some problems

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    Deirdre Casey commented on Solving linear simultaneous equations by elimination 6 years, 6 months ago

    I think there is a sign error in the second equation in part b.

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    Deirdre Casey copied Lois's copy of Union, complement, intersection v2 to Union, Complement and Intersection of Sets 6 years, 7 months ago

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    Deirdre Casey published Mean of five numbers 6 years, 11 months ago

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    Deirdre Casey created Mean of five numbers 6 years, 11 months ago

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    Deirdre Casey published Partial Fractions 7 years, 7 months ago

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    Deirdre Casey on Trigonometry 7 years, 7 months ago

    Gave some feedback: Ready to use

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