Sum of the number and its of inverse equals 0.
A book has 300 pages …with front and the back cover width of 2mm …total thickness of the book is 38mm… how much is the thick nes
1 answer:
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Option c : 9 is the answer.
Explanation:
The expression is
We need to determine the subtracted value of the expression.
From the expression we can see that the expression contains two negative signs.
To simplify the expression, we know that, When we multiply two negative numbers then the product is always positive.
This means
Thus, the expression can be written as
Adding the two numbers, we get,
Thus, the value of the expression is 9.
Hence, Option c is the correct answer.