Chapter 10, Conic Sections, introduces the curves obtained by intersecting a right circular cone with a plane — the circle,
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Chapter 5, Linear Inequalities, introduces statements involving <, >, ≤ and ≥ instead of the equality sign, and teaches students
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Slice a cone at different angles and you get a circle, an ellipse, a parabola, or a hyperbola, the four
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Solving an inequality looks just like solving an equation, except the direction flips the moment you multiply or divide by
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Conic sections get their name from the way each curve is produced by cutting a cone at a particular angle.
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This chapter covers the small but crucial exception to equation-solving rules: multiplying or dividing an inequality by a negative number
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Chapter 6, Permutations and Combinations, teaches you how to count arrangements and selections without listing them out one by one.
Choosing a committee and arranging people in a line call for different counting methods, and these questions practice telling permutations
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Counting problems split into two types depending on whether order matters, and this chapter builds up from the factorial and
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Chapter 7 of the current (2026-27 rationalised) NCERT Class 11 Maths textbook, Binomial Theorem, teaches students how to expand expressions
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