erfan1234567
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Questions Asked

erfan1234567:
Group Title
mkmmm
 updated one year ago
 No Medals Yet
Mathematics

erfan1234567:
Group Title
Find equations of both the tangent lines to the ellipse
x2 + 9y2 = 81
that pass through the point (27, 3).
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

erfan1234567:
Group Title
Find the derivative of the function.
y = a7 + cos7 x
is this righ? 7cos^6x sinx
 updated one year ago
 31 replies
 No Medals Yet
Mathematics

erfan1234567:
Group Title
If
f(x) = 3 sin x + ln(4x), find f '(x).
…
 updated one year ago
 8 replies
 1 Medal
Mathematics

erfan1234567:
Group Title
Find the derivative of the function.
F(t) = e^4tsin 2t
 updated one year ago
 8 replies
 1 Medal
Mathematics

erfan1234567:
Group Title
pls, Find the derivative of the function.
F(t) = e4tsin 2t
 updated one year ago
 No Medals Yet
Mathematics

erfan1234567:
Group Title
A 0.3 kg bead slides on a curved frictionless wire, starting from rest at point A, where d=1.5 m. At point B the bead collides elastically w…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

erfan1234567:
Group Title
A 0.3 kg bead slides on a curved frictionless wire, starting from rest at point A, where d=1.5 m. At point B the bead collides elastically w…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

erfan1234567:
Group Title
please help me ? Starting from rest, a 5.00 kg block slides 1.50 m down a rough 30.0° incline. The coefficient of kinetic friction between …
 updated one year ago
 3 replies
 1 Medal
Mathematics

erfan1234567:
Group Title
please help me ? Starting from rest, a 5.00 kg block slides 1.50 m down a rough 30.0° incline. The coefficient of kinetic friction between …
 updated one year ago
 No Medals Yet
Mathematics

erfan1234567:
Group Title
sec X .tanX =
 updated one year ago
 3 replies
 3 Medals
Mathematics

erfan1234567:
Group Title
Hi, can anyone explain to me why are the peaks in the action spectrum are wider than the peaks in the chlorophyll a absorption spectrum?
…
 updated 2 years ago
 5 replies
 1 Medal
Mathematics

erfan1234567:
Group Title
is the dehydration of Cu.SO4.5H2O a physical or chemical change?
 updated 2 years ago
 No Medals Yet
Mathematics

erfan1234567:
Group Title
just wanna make sure one more time :)
Use the definition of f′(a) (derivative) to compute f′(a) when
f(x) =4/(x+1)
…
 updated 2 years ago
 No Medals Yet
Mathematics

erfan1234567:
Group Title
just wanna make sure one more time :)
Use the definition of f′(a) (derivative) to compute f′(a) when
f(x) =4/(x+1)
…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

erfan1234567:
Group Title
just wanna make sure one more time :)
Use the definition of f′(a) (derivative) to compute f′(a) when
f(x) =4/(x+1)
…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

erfan1234567:
Group Title
just wanna make sure one more time :)
Use the definition of f′(a) (derivative) to compute f′(a) when
f(x) =4/(x+1)
…
 updated 2 years ago
 No Medals Yet
Mathematics

erfan1234567:
Group Title
just wanna make sure one more time :)
Use the definition of f′(a) (derivative) to compute f′(a) when
f(x) =4/(x+1)
…
 updated 2 years ago
 No Medals Yet
Mathematics

erfan1234567:
Group Title
just wanna make sure one more time :)
Use the definition of f′(a) (derivative) to compute f′(a) when
f(x) =4/(x+1)
…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

erfan1234567:
Group Title
Use the definition of f′(a) (derivative) to compute f′(a) when
f(x) =4/(x+1)
and a = 2:
…
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

erfan1234567:
Group Title
my exam starts in about 30 minuts pls someone helps me with this how can i factor x^32x4 can someone teach me how to factor x^3.....…
 updated 2 years ago
 10 replies
 3 Medals
Mathematics

erfan1234567:
Group Title
how can i factor this?? x^32x4
 updated 2 years ago
 3 replies
 1 Medal
Mathematics