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In the proof for (\sqrt{5}), putting (a=5k) gives (25k^2=5b^2). What will (b^2) be?(\sqrt{5}) के प्रमाण में (a=5k) रखने पर (25k^2=5b^2) मिलता है। इससे (b^2) क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (5k^2)(5k^2)
Step 1: Divide both sides of (25k^2=5b^2) by (5). Step 2: We get (5k^2=b^2), that is (b^2=5k^2). Step 3: This gives (5\mid b^2) and then (5\mid b).चरण 1: (25k^2=5b^2) में दोनों पक्षों को (5) से भाग दें। चरण 2: (5k^2=b^2), यानी (b^2=5k^2)। चरण 3: यही (5\mid b^2) और फिर (5\mid b) देता है।
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