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What is the product of (\sqrt{7}) and (-\sqrt{7})?
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Answer and explanation
Correct answer: (-7)
Step 1: (\sqrt{7}\times\sqrt{7}=7). Step 2: Because there is one negative sign, the product is (-7). Step 3: Pay attention to both the sign and the square root.
Frequently asked questions
What is the correct answer to this question?
(-7)
Why is this the correct answer?
Step 1: (\sqrt{7}\times\sqrt{7}=7). Step 2: Because there is one negative sign, the product is (-7). Step 3: Pay attention to both the sign and the square root.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Irrational numbers.
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