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00:00 - 00:59 | yah the question as if p and -1 Hour 3 station p&f O is equals to 1 ratio 2 find an ok now let first right here as we have tea and -1 3 ratio 4 is equals to 19 now we can also write it s n -1 P3 station and T4 is equals to 1 Vinod NPR is equal to n factorial upon and minus I effect Oriya write this will become and - |

01:00 - 01:59 | 1 factorial upon and -4 lactogen and here we have this as n factorial upon and -4 and this all equals to 1 upon 9 right now for the following your we have this 9 - 4 sectoral get cancelled by this 9 - 400002 right and here we have and -1 factorial upon and factories and we can write an effective Reliance and into and -1 factorial and decide they have an account now this and -1 factorial get cancelled by this and -1 factorial so here we have one by N is equals to 1 by |

02:00 - 02:59 | 9 so from here we get energy = 29 type and this is a required thank you |