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If (7x+8y=56) and (14x+16y=112), which statement about the solution set is correct?यदि (7x+8y=56) और (14x+16y=112), तो समाधान सेट के बारे में सही कथन क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: The solution set is the line (7x+8y=56)समाधान सेट वही रेखा (7x+8y=56) है
The second equation is (2) times the first, so both are the same line. The solution is all points on that line, not the whole plane.दूसरा समीकरण पहले का (2) गुना है, इसलिए दोनों एक ही रेखा हैं। समाधान उसी रेखा के सभी बिंदु हैं, पूरा तल नहीं।
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