Ashvin1
Ashvin1
24-03-2017
Mathematics
contestada
If x+1/x=4,find the value of (x-1/x)^2
Respuesta :
konrad509
konrad509
24-03-2017
[tex]\left(x-\dfrac{1}{x}\right)^2=\\ x^2-2+\dfrac{1}{x^2}=\\ x^2+2+\dfrac{1}{x^2}-4=\\ \left(x+\dfrac{1}{x}\right)^2-4=\\ 4^2-4=16-4=12 [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
what is the 6 steps of the sceintific method
Chlorine and bromine are elements in Group VII. The boiling point of chlorine is - 34°C and the boiling point of bromine is 59°C. Explain why bromine has higher
Help asap !! Awarding 100 points
NaCl non metal or metal
When Han makes chocolate milk, he mixes 2 cups of milk with 3 tablespoons of chocolate syrup. Here is a table thatshows how to make batches of different sizes.
1) Stimuli for various sensations are first received by the brain spinal cord senses environment 2) An example of a contact external sense is_____________. hung
help plsssshi, can you pls correct this?-Моя лето сильно отличалось от других летних, потому что этим летом я приехала в Литву с мамой! У меня было так много хо
The segments shown below could shown a triangle. true of flase
pls help i will mark you the brainlest Which phrase describes what an object moving at a constant velocity will do? maintain a constant velocity until acted on
How many planes exist that pass through points A, B, and C? 0 1 2 3
