Question
Which two numbers should be interchanged to make the
given equation correct? 620 + 75 ÷ 8 × 35 – 44 × 5 + 15 = 583Solution
620 + 75 ÷ 8 × 35 – 44 × 5 + 15 = 583 620 + 75 ÷ 15 × 35 – 44 × 5 + 8= 583 620 + 5 x 35 – 44 x 5 + 8 = 583 620 + 175 – 220 + 8 = 583
If detA = 3, detB = 2, then det(AB) =?If sin x + sin 2x = 1 and cos x + cos 2x = 0, find x.
5, 24, 47, 76, 113, ?.
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