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RD Sharma - Mathematics

6. Factorization of Polynomials

1. Number System
2. Exponents of Real Numbers
3. Rationalisation
4. Algebraic Identities
5. Factorization of Algebraic Expressions
6. Factorization of Polynomials
7. Introduction to Euclid's Geometry
8. Lines and Angles
9. Triangle and Its Angles
10. Congruent Triangles
11. Co-ordinate Geometry
13. Linear Equations in Two Variables
12. Heron's Formula
14. Quadrilaterals
15. Areas of Parallelograms
16. Circles
17. Constructions
18. Surface Area and Volume of a Cuboid and a Cude
19. Surface Area and Volume of a Right Circular Cylinder
20. Surface Area and Volume of a Right Circular Cone
21. Surface Area and Volume of a Sphere
22. Tabular Representation of Statistical Data
23. Graphical Representation of Statistical Data
24. Measures of Central Tendency
25. Probability

Exercise 6.1

1 2 3 4 5 6 7 8

Exercise 6.2

Exercise 6.3

1 2 3 4 5 6 7 8 9 10 11 12

Exercise 6.4

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Exercise 6.5

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

CCE - Formative Assessment

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Q. 15

If x⁵¹+51 is divide by x+1, the remainder is
A. 0

B. 1

C. 49

D. 50

Class 9th RD Sharma - Mathematics 6. Factorization of Polynomials

Answer :

Let, f(x) = x⁵¹ + 51

Since, x + 1 is divided by f(x) so,

f (-1)= (-1)⁵¹ + 51

= - 1 + 51

= 50

Thus, remainder is 50

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PREVIOUSIf (3x-1)7 =a7x7+a6x6+a5x5+….a1x+a0, then a7+a6+a5+….+a1+a0=NEXTIf x+1 is a factor if the polynomial 2x2+kx, then k =

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