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If the nth term of an …

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If the nth term of an ap =6n-12 then find the common difference

    • Posted by Khushi Dubey 7 years, 9 months ago

    CBSE > Class 10 > Mathematics
    • 6 answers

    Cutiee Princess 7 years, 9 months ago

    Let n be 1 Sn = 6(1)- 12 = 6-12=-6 ( 1st term ) Let n be 2 Sn = 6(2) - 12 = 12-12= 0 2nd term = sum of second tetm - sum of 1st term = 12- - 6 = 12+6 = 18( 2nd term) So common difference = 18 -(-6) = 18 + 6 = 24

    0Thank You

    Khushi Dubey 7 years, 9 months ago

    Nikal gaya thanks bhai

    1Thank You

    Ricky Arora 7 years, 9 months ago

    Pehle n mein 1 daal fir 2 daal fir 2nd ap mein se 1st ap subtract krde nikal jaayega common difference

    0Thank You

    Virat Yadav 7 years, 9 months ago

    00000006 .....

    1Thank You

    Khushi Dubey 7 years, 9 months ago

    Kaise nikala bhai

    1Thank You

    Ricky Arora 7 years, 9 months ago

    -6

    1Thank You

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