yathurthikan21 yathurthikan21

27-09-2020
Mathematics

contestada

Show That
[tex] {a }^{2} + {b}^{2} = 8[/tex]

Show That tex a 2 b2 8tex class=

Respuesta :

Leora03 Leora03

27-09-2020

Answer:

Please see the attached picture for the full solution.

*From the 4th line of the 1st image, you could also expand it using

(a +b)²= a² +2ab +b² and

(a -b)²= a² -2ab +b².

When squaring a fraction, square both the denominator and numerator.

➣(a/b)²= a²/b²

Ver imagen Leora03

Ver imagen Leora03

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