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if alpha and beta are the zeros of the polynomial 2 x square - 4 x + 5 and find value of alpha + beta |
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Answer» ong>Explanation: 2x²-4x+5=0 ALPHA + beta = -b/a= -(-4)/2= 2 alphabeta = 5/2 i) alpha²+beta² = (alpha +beta)²-2alpha beta (2)²-2×(5/2) =4-5 =1 ii)(alpha-beta)² = (alpha + beta)²-4alpha beta (2)²-4×(5/2) =4-10 = -6 hope this HELPS you and plz mark me as brainliest and pls follow me;) ▪︎■♡■▪︎♡■▪︎♡■▪︎ |
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