I need the answer quickly

write a fortran 90 program

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Q1:Write a program for integer value of (n) to calculate the following series and print the results as (format) form. 2 * 1! 3* 3! 4* 5! n* F1 + + 3! 6! 9! F2 Q2:Write program for reading( X,Y) for (N)numbers then compute (a,b) from the following equations print output by format statement: b = n= yixi-=yi xi . (xi)-(, x)2 a = yi-b-., n