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Start learning 50% faster. Sign in nowx2 − x + 1 = 0 αβ = 1 α + β =1 cubing on both sides α3 + β3 + 3αβ(α + β) = 1 α3 + β3 + 3 ∗ 1(1 ) = 1 α3 + β3 = -2 α3 β3 = 1 Sum of the roots=-2 product=1 Required equation is x2 + 2x + 1 = 0
If 32x + 1– 3x= 3x + 3– 32, then values of x are:
(560 ÷ 32) × (720 ÷ 48) = ?
72% of 486 – 64% of 261 = ?
56 × 18 + ? × 21 – 49 × 12 = 63 × 26
√4096 + √3249 = (?)2
125% of 80 – 6 × 4 = ? × 13 – 54
((1024)n/5 × (42n+1 ))/(16n × 4n-1 ) = ?