Question

Decide whether the following sequence is an A.P. if so find the 20th term of the progression : -12, -5.2,9,16. 23,30 --​

Answer 1

Answer:

Answer: No. Square roots of all positive integers are not irrational. Example 4, 9, 16, etc. are positive integers and their square roots are 2, 9 and 4 which are rational numbers.