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JEE Main & Advanced Mathematics Binomial Theorem and Mathematical Induction Question Bank Numerical Value Type Questions - Binomial Theorem

  • question_answer
    If\[{{\left( 1+x-2{{x}^{2}} \right)}^{6}}=1+{{a}_{1}}x+{{a}_{2}}{{x}^{2}}+.....+{{a}_{12}}{{x}^{12}},\] then find the value of expression\[{{a}_{2}}+{{a}_{4}}+{{a}_{6}}+.....+{{a}_{12}}\].

    Answer:

    31.00


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