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If (x=1) and (x=-3) are both zeros of (p(x)=x^3+ax^2+bx+12), what is (a+b)?यदि (p(x)=x^3+ax^2+bx+12) में (x=1) और (x=-3) दोनों शून्य हैं, तो (a+b) क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (-13)(-13)
From (p(1)=0), we directly get (a+b=-13). The second condition checks consistency, but the first is enough for the asked sum.(p(1)=0) से (a+b=-13) सीधे मिलता है। दूसरी शर्त संगति जांचती है लेकिन पूछे गए योग के लिए पहली शर्त पर्याप्त है।
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