There are 6 different singers who each sing two songs out of a set of 12 different songs. this month singer a sings songs 1 and 2, b sings 3 and 4, c sings 5 and 6, d sings 7 and 8, e sings 9 and 10, and singer f sings songs 11 and 12.find the number of possible assignments next month of two songs to various singers (so that all songs are sung)in which each singer sings at least one different song from the two songs he/she sang this month.

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

w'x is 0.

hope it

i think is g(1)=-1.

hope that i can

answer

you start with $5 and save $10 a week until you have at least $45wer

step-by-step explanation: