\(\frac{1}{\sqrt{10}-3}-\frac{1}{\sqrt{10}+3}\) का मान क्या है?
What is the value of \(\frac{1}{\sqrt{10}-3}-\frac{1}{\sqrt{10}+3}\)?
Explanation opens after your attempt
A. (6)
Concept
The product of denominators is (10-9=1), and the numerator is (\(\sqrt{10}+3\)-\(\sqrt{10}-3\)=6). In exams, find the product of conjugate denominators first.
Why this answer is correct
The correct answer is A. (6). The product of denominators is (10-9=1), and the numerator is (\(\sqrt{10}+3\)-\(\sqrt{10}-3\)=6). In exams, find the product of conjugate denominators first.
Exam Tip
हरों का गुणनफल (10-9=1) है और अंश (\(\sqrt{10}+3\)-\(\sqrt{10}-3\)=6) है। परीक्षा में संयुग्म हरों का गुणनफल पहले निकालें।
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