alleryx आणि y शोधा. I: x + y = 10. II: x - y = 2.
Aकेवळ I पुरेसे आहे
Bदोन्ही एकत्र मिळूनही पुरेसे नाहीत
Cकेवळ II पुरेसे आहे
Dदोन्ही एकत्र आवश्यक आहेत
Answer & Solution
Correct answer: D. दोन्ही एकत्र आवश्यक आहेत
दोन अज्ञात चलांची दोन स्वतंत्र समीकरणे केवळ एकत्र वापरल्यावरच x = 6 आणि y = 4 देतात.
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