Question

what must be added to get zero??​

Answer 1

Answer: (-1) + 1 =0

Step-by-step explanation:

if we add a positive integer with same valued negative integer, the sum of the integers is 0

We can also use 0 , 5/9 , 4(2/7) , etc .........

Answer 2

Answer:

Step-by-step explanation:

when expanded, this expression would be :

2[ (1/√2)² + (√3)²] - 6[ (1/√2)² - (1/√3)² ] +x =0

(let x be the no. that should be added to get zero)

2[ 1/2 + 3 ] - 6[ 1/2-1/3 ] +x = 0

(1+6) - (3-2) +  x = 0     [cross multiplication]

7-1 +x = 0

x = -6

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