बुधवार, 2 नवंबर 2016
Basic knowlegde for Mathematics
Hi, Friends 👋. 👎 🐑
How are you Friends.?
Today, I am going to tell you about basic mathematics.
🐩So, Friends
Math is subject hard of any subjects.🐧
🗽I give you some examples. For +,- ,×, ÷,
-1 -1 = -2 , -3 +2 = -1. -87 -67 = -154
3/2 = 1.5 6/3 = 2, -64/8 = -8 3.4 × 2
= 6.8
1.5 ×1.5 = 3 2.5 × 5.2 = 13
⛵🔛Now, I want to tell you square and cube.
2 power3 = 8 9power 3 = 27
(a + b )2 = a2 + 2ab + b2
💡Quadratic equation form.
ax2 + bx + c =0 equation.
💥Factriazition method
This method use to determine two factors.
E.g 2x2 + 7x + 10 = 0. 7
/ \
💨 2x2 +(x +5)2(x +5) = 0 5
2
💨2x2 + (x +5)(x + 2) = 0
💨X +5 = 0 or X +2. =0
💨X = -5. Or. X = -2.
🕣Formula method🐙🐙🐙🐙🐙🐙🐙🐙🐙🐙🐙🐙🐙🐙
-b +-√b2 - 4ac/2a
❔❓Discrimenant metho🐒🐒🐒🐒🐒🐒🐒🐒🐒🐒🐒🐒
b2 -4ac = 0
🐼Deternination method.🐼🐼🐼🐼🐼🐼🐼🐼🐼🐼🐼🐼
| a b|
|c. d |
= a ×d -b × c
E.g. 2. 5
6. 3. = 2×3 - 5×6, = 6 - 30. = -24
Carmel rule.
Dx = a1. b1. Dy = b1. C1. Dz = a1. C1
a2. b2. b2. C2.
a2. C2
Dx/D = Dy/D= Dz =
🐬 Phytaogoras therom;-
Hypotenuse = oppisite side × adgecent
💧🌀Conics section :
Parabola , elipse. And. Hyperbola this three main parts of conics.
⛲Pair of straight line.
tan® = tana +tanb/1 -tana ×tanb
tan® = m1 +m2/1 -m1× m2
m1+m2 = a/b
m1×m2 = c/a
Slope intersection form.
(y2 -y1)m(x2 -x1)
This is basic of math and details.
🚂For any question and amswer please ask me.
Please ask me this Email Id🐒
Pravindhameja13@gmail. Com🐎🏇
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