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What will be the nature of roots of (7x^2-5x-3=0)?समीकरण (7x^2-5x-3=0) के मूलों की प्रकृति क्या होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Two real irrational and distinct ((D=109))दो वास्तविक अपरिमेय और असमान ((D=109))
Here (D=(-5)^2-4(7)(-3)=109). (109) is positive but not a perfect square, so the roots are irrational and distinct.यहाँ (D=(-5)^2-4(7)(-3)=109) है। (109) धनात्मक है पर पूर्ण वर्ग नहीं है, इसलिए मूल अपरिमेय और असमान हैं।
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