Question

14. Factors of a^2 -1 is (a - 1) (a - 1).
True
False

15. In 12x^2 and 18x^3 the HCF of its co-efficient is 6.
True
False
help me pls by answering correctly​

Answer 1

Answer:

14...

a²-1=(a-1)(a-1) false

Step-by-step explanation:

a²-1=(a-1)(a-1)

a-1.a+1=a-1.a+1

cancel a-1 from both side

a+1not equal to a-1

hence this is false