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If m+n=5 and mn=6 then find (m²+n²)(m³+n³) |
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Answer» (m+n)²=m²+n²+2mn m²+n²= (m+n)²-2mn =5² - 2(6) = 25 - 12 m²+n²= 13 (m+n)³=m³+n³+3mn(m+n) m³+n³= (m+n)³-3mn(m+n) = 5³-3(6)(5) = 125 - 90 m³+n³= 35 (m²+n²)(m³+n³) = 13×35 =455 Hope it HELPS youmark as brainliest |
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