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7th Class Mathematics Algebraic Expressions Question Bank Algebraic Expressions

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

    A)  33                              

    B)  35            

    C)  37                  

    D)  6

    Correct Answer: B

    Solution :

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


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