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

How many unknowns are buried in the tomb of the Unknown Soldiers?

What is the volume of 0.500 moles of nitrogen gas at 2.45 atmospheres pressure and a temperature of 303 K? (R=0.0821 L · atm/mol · K)

Roberto wants to display his 18 sports cards in an album. Some pages hold 2 cards and others hold 3 cards. How many different ways can Roberto display his figur

A weighted die, numbered one through six, has a probability of 1/4 of rolling a six. if this die is rolled three times, and each roll is independent, what is th

help please need the answer

f is the function f(x) = 2x + 5 find f(3)

The passage of the 17th ammendment established which of the following similarities between the house and the senate

Why was cuba made a protectorate of the united states rather than given its own sovereignty?

A customer deposits $1,000 in an account in which the interest is compounded annually. The table below shows the balances in the account at the end of each year

A water tank has the shape of an inverted right circular cone with base radius 3 meters and height 6 meters. Water is being pumped into the tank at the rate of