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Q. |
## What is the maximum number of ways in which a boolean expression with n + 1 terms can be parenthesized, such that the output is true? |

A. | nth catalan number |

B. | n factorial |

C. | n cube |

D. | n square |

Answer» A. nth catalan number | |

Explanation: the number of ways will be maximum when all the possible |

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