Question

what's the common difference of the sequence 3√5 , 6√5 , 9√5​

Answer 1

Answer:

common difference is 3√5.

Step-by-step explanation:

(i)

$6 \sqrt{5} - 3 \sqrt{5} = \: ( 3 \sqrt{5} )$

3√5 is the difference between 6√5 & 3√5.

(ii)

$9 \sqrt{5} - 6 \sqrt{5} = (3 \sqrt{5} )$

3√5 is the difference between 9√5 & 6√5.