## Discussion Forum

Que. | The number of different n × n symmetric matrices with each element being either 0 or 1 is:
(Note: power(2, x) is same as 2x) |

a. | power(2, n) |

b. | power(2, n^2) |

c. | power(2, (n^2 + n)/2) |

d. | power(2, (n^2 - n)/2) |

Answer:power(2, (n^2 + n)/2) |