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If the lines (4x+ay=16) and (8x+10y=32) are coincident, what is the value of (a)?यदि (4x+ay=16) और (8x+10y=32) की रेखाएं संपाती हों, तो (a) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (5)(5)
The second equation is (2) times the first, so (2a=10) and (a=5). Include the constant term in ratio checking.दूसरा समीकरण पहले का (2) गुना है, इसलिए (2a=10) और (a=5)। अनुपात जांच में स्थिर पद भी शामिल करें।
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