cahree
21.03.2022 •
Mathematics
Find the values of a and b for which the system
{x+y+z = 3 2x-y+3z = 4 5x-y+az =b has
a. no solution
b. a unique solution and find its solution
c. many solution and find its solution
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Ответ:
11/2
Step-by-step explanation:
Turn them into improper fractions, you will get:
13/4 - 7/3
LCM of 3 and 4 is 12. Multiply the numerators as well.
(13 x 3)/(4 x 3)- (7 x 4)/(3 x 4)
39/12 - 28/12 = 11/2