Math, asked by jividhabadole, 10 months ago

square of any real number is positive true or false ?​

Answers

Answered by prashantyadav9336
6

Step-by-step explanation:

This statement is true

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If positive is ✖ by positive then yhe answer is positive

And

When the negative is multiplied by negative then also the answer is positive

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Answered by amitnrw
2

Square of any real number is positive :   FALSE

Square of any real number is always  Non-Negative

Square of 0 is 0 which is not positive

Hence Given statement is False

True Statement can be

Square of any non zero real number is always  Positive

or

Square of any real number is always  Non-Negative

Square of a number is basically number multiplied by the number itself.

a² = a x a

Take few case  a  < 0

a = 0

a > 0

a < 0  => a  = -x  where x is positive

a² = (-x)² = (-x) * (-x)  

(-)(-) = +

= x * x

Hence positive as  x is positive

a = 0

=> a² = 0  ( non negative)

a > 0

=> a² = Positive

Hence Square of any number is Non negative

Square of all non zero numbers is Positive

Square of any real number is positive :   FALSE  

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