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7th Class Mathematics Algebraic Expressions Question Bank Algebraic Expressions

  • question_answer
    What is the \[{{6}^{th}}\] term of a pattern described by the expression\[{{n}^{2}}-1?\]

    A)  33                               

    B)  35            

    C)  37                               

    D)  6

    Correct Answer: B

    Solution :

    (b) First term means \[n=1\] second term means\[n=2\] and so on. substitute \[n=6\] in \[{{n}^{2}}-1\]and simplify. \[{{n}^{2}}-1={{(6)}^{2}}=1=36-1=35\]


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