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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics - 2
12.13 Factorising Polynomials by HCF method

Example: Factorise 3a3 - 6a2 + 3a
Solution:
  1. Factors of 3a3 are 1, 3, a, a2, 3a, 3a2, 3a3
  2. Factors of 6a2 are 1. 6, a, a2, 3a, 6a, 6a2
  3. Factors of 3a are1, 3, a, 3a
  4. Common factor is 3a.
  5. Dividing 3a3/3a + 6a2/3a + 3a/3a = a2 - 2a + 1
  6. factors are (a2 - 2a + 1 ) 3a
Answer: (a2 - 2a + 1 ) 3a


Directions: Factorise the following by HCF method.
Q 1:
Answer:

Q 2: 36x10y8 + 72x8y10
x2 + 2y2
x2 + y
x + y

Q 3:
Answer:

Q 4: 4a5b - 6a4b - 8a3b2
2a3b(2a2 - 3a - 4b)
2a-3b
4b 3a

Q 5:
Answer:

Q 6:
Answer:

Q 7:
Answer:

Q 8:
Answer:

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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