4)
T= 3^2(a-2) *3^a+1 * 3^3(2-a)
T= 3^2a-4+a+1+6-3a
T= 3^-4+7
T= 3^3
T= 27-> opción d)
5)
3^2x+1 * 3^2(2x+4) / 3^ 3(2x+3)
3^ 2x+1+4x+8 / 3^ 6x+9
3^ 6x+9 / 3^ 6x+9
3^ 6x+9 -6x-9
3^ 0= 1-> c)
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4)
T= 3^2(a-2) *3^a+1 * 3^3(2-a)
T= 3^2a-4+a+1+6-3a
T= 3^-4+7
T= 3^3
T= 27-> opción d)
5)
3^2x+1 * 3^2(2x+4) / 3^ 3(2x+3)
3^ 2x+1+4x+8 / 3^ 6x+9
3^ 6x+9 / 3^ 6x+9
3^ 6x+9 -6x-9
3^ 0= 1-> c)