Selina, concise mathematics, ICSE solutions, class 9, chapter 4, exercise 4(D)

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Chapter 3: Compound Interest (using formula)
Chapter 4: Expansions
Chapter 5: Factorisation
Chapter 6: Simultaneous (Linear) Equations [including problems]
Chapter 7: Indices [Exponents]
Chapter 9: Triangles [congruency in triangles]
Chapter 12: Mid-point and Its Converse [including intercept theorem]
Chapter 13: Pythagoras Theorem [proof and simple applications with converse]
Chapter 14: Rectilinear Figures [ quadrilaterals: parallelogram, rectangle, rhombus, square and trapezium]
Chapter 17: Circle
Chapter 18: Statistics
Chapter 19: Mean and Median [for ungrouped data only]]
Chapter 20: Area and Perimeter of Plane Figures
Chapter 21: Solids [surface area and volume of 3-D solids]
Chapter 22: Trigonometrical Ratios [sine, cosine, tangent of an angle and their reciprocals]
Chapter 23: Trigonometrical ratios of standard angles [including evaluation of an expression involving trigonometric ratios]
Chapter 24: Solution of Right Triangles [simple 2-D problems involving one right-angled triangle]
Chapter 25: Complementary Angles
Chapter 28: Distance Formula

#2gethereducare #easycommunication #class9maths #icse #expansion #class9expansions

[priyaarun]

Thankyou soooo much sir really helpful ❤❤

[sagarrana]

sir in question no 5 in the last part when 3(7/6) was there so we cant cut 3 by 6 otherwise the answer will be wrong

[akibjaved]

Sir i have a question from you sur in question number 4 there you have written x²+1/3x² formula = (x+1/a)²-2*x*1/3x how there 1/3x come you said that there 1/x will come how sir please please tell tommorow is my exam in tuition