Seudónimo
Seudónimo
27-07-2014
Mathematics
contestada
Factorise:a4+2a3b-2ab3-b4..
Respuesta :
Аноним
Аноним
27-07-2014
[tex]a^4+2a^3b-2ab^3-b^4\\\\=a^4-b^4+2a^3b-2ab^3\\\\=(a^2-b^2)(a^2+b^2)+2ab(a^2-b^2)\\\\=(a^2-b^2)(a^2+b^2+2ab)\\\\=(a-b)(a+b)(a+b)^2\\\\=(a-b)(a+b)(a+b)(a+b)[/tex]
[tex](x+y)^2=x^2+2xy+y^2\\\\x^2-y^2=(x-y)(x+y)[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
If the average speed of car is 200m/sec for concept journey and moves with 100m/sec for half of the time then average speed in the other half time is_______.
There is a robot that can help fetch coffee to staffs in an office. Now, suppose you are developing an algorithm for this robot to achieve this task. Please loo
Describe Steve's reaction to Dr. Moody's testimony about how Mr. Nesbitt actually died. What was James King's reaction to it? (A) Shocked; indifferent (B) Upset
If the price of sugar falls by 212% a person can buy 9 kg more of sugar for Rs. 1260 than before. If the price had risen by 12 1/2% how much sugar would he have
What does the presidential title of "commander-in-chief" refer to?
Discount stores carry nationally advertised brands at reduced prices. A. TrueB. False
During a single engine taxi (no. 2 engine running), the right main ejector fails. Which fuel boost pump(s) turn(s) on? a) Left main boost pump b) Right main boo
jordan sold his dirtbike for 1800. he put the money in a savings account that pays 3.5% simple interest. How much interest does the money earn in 1 year
_________ refers to the jurisdiction where an insurer was formed or incorporated. The jurisdiction where an insurer is formed or incorporated is known as: a) Do
Solve the differential equation (dy)/(dx) = (x² + y²)/(xy), given that y(1) = 0.
