Answer:
1. (d) x³y
2. (a) (a-1)(b-1)
3. (b) 16xy
4. (a) (6xy-1)(6xy+1)
5. (d) -7
Step-by-step explanation:
1.
common factor = HCF
=product of lowest power of each prime factor=x³y
2.
ab-a-b+1= 1-a-b+ab
=1(1-a) -b(1-a)
=(1-a)(1-b) or (a-1)(b-1)
3. 16xy
4. (6xy-1)(6xy+1)
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Verified answer
Answer:
1. (d) x³y
2. (a) (a-1)(b-1)
3. (b) 16xy
4. (a) (6xy-1)(6xy+1)
5. (d) -7
Step-by-step explanation:
1.
common factor = HCF
=product of lowest power of each prime factor=x³y
2.
ab-a-b+1= 1-a-b+ab
=1(1-a) -b(1-a)
=(1-a)(1-b) or (a-1)(b-1)
3. 16xy
4. (6xy-1)(6xy+1)
5. (d) -7