39. If r+s=-8 and r*s=-12 then find the value of r2+s2. / यदि r+s=-8 और r*s=-12 तो r2+s2 का मान ज्ञात कीजिए।
74
68
64
88
Answer / उत्तर :-88
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39. If r+s=-8 and r*s=-12 then find the value of r2+s2. / यदि r+s=-8 और r*s=-12 तो r2+s2 का मान ज्ञात कीजिए।
74
68
64
88
Answer / उत्तर :-88
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