harilaxmi1984 harilaxmi1984

16-08-2021
Mathematics

contestada

if (a+b)=3 and ab=2, find the value of a2+b2

Respuesta :

Bromine67 Bromine67

16-08-2021

Answer: so a^2 + b^2 = 5

Step-by-step explanation:

(a+b) = 3

ab = 2

so

(a+b)^2 = 3^2

a^2 + 2ab + b^2 = 9

or, a^2 + 2*2 + b^2 = 9

or, a^2 + 4 + b^2 = 9

or, a^2 +b^2 = 9-4 = 5

Answer Link

alijamalsalahuddin20 alijamalsalahuddin20

16-08-2021

Answer: So a^2 + b^2=5

Answer Link

Otras preguntas

Write the linear equation that gives the rule for this table. x f(x) 1 –47 2 –45 3 –43 4 –41

damian dilates PQR shown on the coordinate grid with a scale factor of 0.5 centered at the origin. then he translate the 1 unit up and 3 units to the right to f

help asap for brainlist

If g(x) = 2(x − 4), find the value of x if g(x) = 20. (2 points) a 32 b 12 c 14 d 10

The fifth part of a number when increased by 5 equals its fourth part decreased by 5. Find the number.

determine the ph of a buffer that is 0.55 M HNO2 and 0.75 M KNO2. tha value of Ka for HNO2 is 6.8*10^-4

Global warming means that

A farmer had 21 goats all but 9 died how many survive ?

Find the value of y for the given value of x. y=2x3;x=3 y=

13 more than a number x