Theorem Theorem

23-03-2021
Mathematics

contestada

please help me out guys, Thank you.

I am very poor at mathematics

please help me out guys Thank youI am very poor at mathematics class=

Respuesta :

abidemiokin abidemiokin

28-03-2021

Answer:

79

Step-by-step explanation:

Given the expression

x + 1/x = 9

Square both sides

(x + 1/x)^2 = 9^2

x^2 + 2x(1/x)+ (1/x)^2 = 81

x^2 + 2 + 1/x^2 = 81

x^2+1/x^2+2 = 81

x^2+1/x^2 = 81-2

x^2+1/x^2+ = 79

Hence the value of x^2+1/x^2 is 79

Answer Link

Otras preguntas

How many mL of 1.76 M sodium hydroxide solution (strong base) must be added to 0.75 Macetic acid to make 683 mLa pH 49 buffer? (pka of acetic acid is 4.76)

What are two broad categories of tort remedies? O A. Damages and writs O B. Temporary and permanent injunctions O C. Damages and compensation O D. Damages and i

Transpose for y. y/5+ f = 3q

Two dice are rolled. Determine the probability of the following. ("Doubles" means both dice show the same number.) rolling a 4 or doubles

solve for gE=5ghg=?

142% as a fraction or mixed number

What steps transform the graph of y=x to y=-(x+2) +4

How may studying with others detract from your learning?

True or False, The American Slaves would have been better off if America stayed British True False

Which of the following is the graph of y=sqrd-x-3?