(\sqrt{5}\(3+\sqrt{5}\)) का मान क्या है?
What is the value of (\sqrt{5}\(3+\sqrt{5}\))?
Explanation opens after your attempt
A. \(3\sqrt{5}+5\)
Concept
Apply distribution: \(\sqrt{5}\times3+\sqrt{5}\times\sqrt{5}\).
Why this answer is correct
This becomes \(3\sqrt{5}+5\).
Exam Tip
In such multiplication, remember \(\sqrt{5}\times\sqrt{5}=5\). चरण 1: वितरण नियम लगाएं: \(\sqrt{5}\times3+\sqrt{5}\times\sqrt{5}\)। चरण 2: यह \(3\sqrt{5}+5\) बनता है। चरण 3: समान वर्गमूलों के गुणन में \(\sqrt{5}\times\sqrt{5}=5\) याद रखें।
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