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2022-05-15 20:39:05
Vì (d1)//(d2) nên 4m=4 ⇔ m=1
Khi đó ta có pt (d1): y=4x+n
Vì (d2) đi qua điểm A(2;0) nên ta có:
0=4\(\times\)2+n ⇔ 8+n=0 ⇔ n=\(_{^{ }-8}\)
Vậy m=1 và n= -8
2022-05-15 20:34:28
X\(\times\)\(\dfrac{1}{2}\)=1\(-\dfrac{1}{3}\)⇔X\(\times\)\(\dfrac{1}{2}\)=\(\dfrac{2}{3}\)⇔X=\(\dfrac{2}{3}\div\dfrac{1}{2}\)⇔X=\(\dfrac{2}{3}\times2\)⇔X=\(\dfrac{4}{3}\)
Vậy x=\(\dfrac{4}{3}\)
2022-03-10 19:52:05
2022-03-10 19:52:05
2022-03-10 19:52:05
2022-03-10 19:52:05
2022-03-10 19:52:05
2022-03-10 19:52:05
2022-03-10 19:52:05
2022-03-10 19:52:05