Question 231
If Set A = {1, 2, 3, 4} and Set B = {3, 4, 5, 6}, what is the union of Set A and Set B?Sets and logicSets and logiceasy
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Question 232
Solve for x in the equation: 3x^2 - 12 = 0.Quadratic equations and functionsQuadratic equations and functionseasy
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Question 233
In a right-angled triangle, if one acute angle is 30° and the hypotenuse is 10 cm, what is the length of the side opposite to the 30° angle?TrigonometryTrigonometryeasy
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Question 234
Given the vectors \(\vec{a} = 3\hat{i} - 2\hat{j}\) and \(\vec{b} = \hat{i} + 4\hat{j}\), find \(\vec{a} \cdot \vec{b}\).VectorsVectorsmedium
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Question 235
If \(p\) and \(q\) are prime numbers such that \(p^2 - q^2 = 168\), find the values of \(p\) and \(q\).Number theoryNumber theoryhard
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Question 236
If log_b(x) = 3, which of the following expresses x in terms of b?Logarithms and exponentialsLogarithms and exponentialsmedium
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Question 237
Find the derivative of f(x) = 5x^4 - 3x + 2.Differentiation (calculus)Differentiationeasy
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Question 238
Given a vector u = 3i - 2j + k and v = i + 4j - 5k, find the scalar product u · v.VectorsVectorshard
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Question 239
Given the inequality \( 3x - 7 > 2x + 5 \), what is the solution?Inequalities and graphsInequalities and graphseasy
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Question 240
Find the derivative of \( y = x^3 \sin x \).Differentiation (calculus)Differentiation (calculus)hard
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