arshadrn777 arshadrn777

15-07-2021
Mathematics

contestada

if (a + b) = 73 and a b =65 find value of a²+ b²

Respuesta :

pritigurung62 pritigurung62

15-07-2021

Step-by-step explanation:

Here,

by formula a^2+b^2=(a+b)^2-2ab

so,

or,(a+b)^2-2ab

or,(73)^2-2×65

or,5329-126

=5203 is the answer

Answer Link

Otras preguntas

Helen Grey By Christina Georgina Rossetti Because one loves you, Helen Grey, Is that a reason you should pout, And like a March wind veer about, And frown, and

let f(x)=x+8 and g(x)=x^2 -6x-7. find f(g(2))

For what values of the variable is each rational expression undefined2x-3/2x-1( step by step please)

Choose the right variant 1 This book will take to years to write. A. After two years I'll write this book B. In two years time I'll have written this book C . A

Which choice is equivalent to the expression below? 5x sqrt 2 - 2 sqrt 2 + 2x sqrt 2 A. 7x sqrt 2 - 2 sqrt 2 B. 2x^2 sqrt 2 C. 3x sqrt 2 D. 7x^2 sqrt 2

Holly decided to share 1/2 of her share of the pizza with Deb. How much did each of them actually?

let f(x)=2x-6. solve f^-1(x) when x=2.

why do we use a coeficient to remove the propotionality

Is economic equality an attainable goal?

let f(x)=2x-6. solve f^-1(x) when x=2.