Sunday, 20 March 2011

9th Polynomials Test paper

Polynomials Test paper
1. Factorise using factor theorem

x3- 12x2 + 47x + 60 

6x3 + 11x2 – 4x – 4 

2. Factorise 

 p3(q – r)3 + q3(r – p)3 + r3(p – q)3 

3. Find value of  x3 - 8y3 – 36xy – 216 when x = 2y + 6. 

4. Solved  703 – 503 - 203 

5. Factorise  (i) a6 + 4a3 – 1  (ii) 125a3 – 343b3

6. Verify x3 – y3 = (x – y)(x2 + xy + y2) 
 
7. Evaluate using suitable identity 9993 99.83 

8. Verify
a3 + b3 + c3 – 3abc = (x + y + z)[ (x – y)2 + (y – z)2 + (z – x)2 ]

1 comment:

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