Объяснение:
[tex]\int\limits^3_1 {g(x)} \, dx+\int\limits^7_3 {x} \, dx =\int\limits^7_1 {g(x)} \, dx\\\\\int\limits^3_1g(x)=\int\limits^7_1 {g(x)} \, dx -\int\limits^7_3 {g(x)} \, dx = 7-(-2)=7+2=9.[/tex]
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Объяснение:
[tex]\int\limits^3_1 {g(x)} \, dx+\int\limits^7_3 {x} \, dx =\int\limits^7_1 {g(x)} \, dx\\\\\int\limits^3_1g(x)=\int\limits^7_1 {g(x)} \, dx -\int\limits^7_3 {g(x)} \, dx = 7-(-2)=7+2=9.[/tex]