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

doug entered a canoe race. he rowed 3 1/2 miles in 1/2 hour. what is his average speed in miles per hour?

Testosterone causes secondary male characteristics list 3 such characteristics

Pollution caused by pesticides and fertilizers is limited to areas close to the source (farms). True or false

1. A rectangle has a length 2 ft less than three times its width. What is the area of the rectangle when its width is 2 ft? A. 8 square ft B. 6 square ft C. 12

This fence has three posts, equally spaced. Each post is 15 centimetres wide. The length of the fence is 153 centimetres. Calculate the length of one gap betwee

What is the name of the point of concurrency of the angle bisectors of a triangle?

What happens to the magnetic field lines if like poles are repelling?

use the cubic model y=10x^3-12x to estimate the value of y when x=3

If you make a tree diagram and then list all of the possible outcomes for flipping a coin and rolling a 6-sided die, how many possible outcomes are there? A) 2

Solve the equation 7*9^x=55.68