aeisapooh aeisapooh
  • 01-10-2017
  • Mathematics
contestada

It is given that a+b=6 and ab=7. Find the value of a^2 + b^2.

Respuesta :

Аноним Аноним
  • 01-10-2017
Use the identity:-

a^2 + b^2  = (a + b)^2 - 2ab

Plugging in the given values;-

a^2 + b^2 = 6^2 - 2*7    =  36-14  = 22 Answer
Answer Link

Otras preguntas

What is the least common denominator in the equation below? 1) 2 2) 9 3) 12 4) 36
What can be identified as the author's purpose in the following statement by Chief Seattle? "The great, and I presume also good, white chief sends us word that
What is the clockwise torque on the following lever? 5.0 Nm 125 Nm 250 Nm 0.0 Nm
Solve for X. 5(x - 1) = 4(x - 8)
Type the correct answer in the box. Spell the word correctly. Complete the sentence about means of transmission. A mosquito is an example of a_________ .
How do u do 3 and 4?
What do all ions have in common in terms of their electrical structure?????
solve for x. -2(x+1/3)+9x=4​
Write any two important things to be considered while maintainingpeace in the country?​
match the expression please!!! 20 points