Question

How much is a² - b² less than a² + b² with step-by-step explanation

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Answer 1

$a² - b² \: \: \: less \: than \: \: a² + b²$

$= {a}^{2} + {b}^{2} - {a}^{2} - {b}^{2}$

$= 0$

Answer 2

Step-by-step explanation:

No

It is not true for negative values of a and b

Example

a=-1 and b=-1

(a+b)=-2

and

sqrt(a^2+b^2)=sqrt ((-1)^2+(-1)^2)=sqrt(2)

-2 < sqrt(2)

So not true…