Calculus II
Find x and dx using trigonometric substitution of (integral) square root of 4x^2 - 9 divide by x x = 2/3 sec x dx = 2/3 tan x dx Is this right so far?
Calculus II
ok, thank you very much. Happy New Year
Calculus II
Okay then, is this the final answer = (5-x)(3e^3x) + (integral) -- (1/3)e^3x = (5-x)(3e^3x) + (1/9)e^3x + C
Calculus II
Integrate using integration by parts (integral) (5-x) e^3x u = 5-x du = -dx dv = e^3x v = 3e^3x I wonder if this is right so far. = uv - (integral) v du = (5-x)(3e^3x) - (integral) (-3e^3x) =(5-x)(3e^3x) + (integral) (3e^3x) = (5-x)(3e^3x) + 9e^3x + C
Chemistry
Question: A solution of Silver nitrate, AgNO3, contains 1.08 grams in 250 cm3. What is its molarity? Solution: Molar mass of Silver nitrate = 108 g/mole. n(AgNO3) = 1.08 grams of AgNO3 x 1 mole of AgNO3108 grams AgNO3 = 0.01 mole. Number of moles in 1 dm3 = 0.01 mole x 1000/25...
Physics
11 4 n + B ----> ___?___ + He 2 7 8 A. Li or B. Li 235 4 Pa ------> ___?___ + He 91 2 A.230 or B. 231 Ac Ac
math
the expression a^2(b^3)/a^-4(b^2) is equivalent to 1 a^6/b^5 2. b^5/a^6 3. a^2/b 4. a^-2(b^-1)
Physics
A car and a bus are moving down a hill, the bus is 3X heavier than the car and the speed of the car is 3X faster than the bus. Compare their momentum and K.E.
Physics
Who originally designed the planetary model of an atom? Bohr or Rutherford
physics
Maxwell's equations proved that a. Light is a mechanical phenomena b. Light is a chemical phenomena c. Light is a phenomenal phenomena d. Light is an electromagnetic phenomena I think the answer is either a or d. But I'm pretty sure its d Thank you for any help and hap...
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