Question

77) Which of the following are co primes? a) 8, 12 b) 9, 10
c) 6, 8 d) 15, 18​

Answer 1

Answer:

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$\huge{ \bold{ \red{ \star{(b)9 \: and \: 10}}}}$

co-primes have HCF 1.....

hope this helps you...

Answer 2

Answer:

9 , 10 are the co prime numbers