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If ?1, ?2, … , ?? …

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If ?1, ?2, … , ?? are ? values in a variable ? such that ∑ (?? − 2) = 110 ? ?=1 and ∑ (?? − 5) ? ?=1 = 20. Find the value of ? and its mean

    • Posted by Ankur Kashyap 7 years, 10 months ago

    CBSE > Class 09 > Mathematics
    • 0 answers
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