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

Meagan was promoted to vice-president of a major electronics manufacturer. Two days before the promotion, she had given an excellent speech highlighting her man
In a laboratory investigation, magnesium reacts with hydrochloric acid to produce hydrogen gas and magnesium chloride. This reaction is represented by the unbal
What is the octet rule
In a laboratory investigation, magnesium reacts with hydrochloric acid to produce hydrogen gas and magnesium chloride. This reaction is represented by the unbal
Python Elif Function
Does vinegar melt ice the fastest?
Which statement does not accurately describe the League of Nations? a. Germany refused to join the League of Nations because it considered President Wilson's p
A number of questions “has been” or “have been” asked?
A horizontal 20.-newton force is applied to a 5.0-kilogram box to push it across a rough, horizontal floor at a constant velocity of 3.0 meters per second to th
When and where was Harper Lee born?