Math, asked by jeffsrihell3, 1 year ago

If a^2+9/a^2=31 what is the value a-3/a

Answers

Answered by Cherry111

2

(a-3/a)^2 =a^2 + 9/a^2- (2×a×3/a)
=31 - 6
=25

Previous Question

Next Question

Similar questions

Social Sciences, 8 months ago

1) which is the least density populated state in india as per 2011 cencius ?

English, 8 months ago

iv) Punctuate the following a) can any one do this...

Social Sciences, 8 months ago

the state of Jharkhand is covered with which type of forest Please answer this question...

Math, 1 year ago

Please lend me a heading for our maths magazine?

English, 1 year ago

What are the characteristics of the dog named duke ?

Physics, 1 year ago

in the figure shown the magnetic field acts perpendicular and into the paper plane. a charged particle of charge "Q" enters into the field at right angle with a velocity v. then i) what is the direction of force acting on charge q ? ii) what is the magnitude of force ? iii) what is the amount of work done by the force ?

Chemistry, 1 year ago

what is the valency of 1 to 20 element...

English, 1 year ago

summary of journey by night story in ICSE books written by norah burke in detail...