Question

$\frac{ + }{}$
what is the meaning of this +- sign in mathematics....
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Answer 1

Answer:

☆ (+) sign means to add or positive.

☆ (-) sign means to subtract or negative.

☆ (+ , - ) sign together is used for both addition and subtraction.

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let us understand in detail by taking cases with examples.

• Case 1 ==> for (+)

• Case 2 ==> for (-)

• Case 3 ==> for (+ , - )

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● CASE 1 ==> (+)

• if we add 2 to 2 then , we get 2 + 2 = 4 .

● CASE 2 ==> (-)

• if we substract 2 from 2 , we get 2 - 2 = 0 .

● CASE 3 ==> (+ , -)

• if the numbers are 2 and 2

we get , 2+2 = 4

and 2 - 2 = 0 .

Answer 2

Step-by-step explanation:

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