Questions
If and appear as two distinct terms of an A.P., then common difference of the A.P. must be
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a
an integer
b
a rational number
c
an irrational number
d
0
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Correct option is C
Let the A.P. be a1, a2, ... suppose am=227 and an=πIf d is the common difference of the A.P., then(m−n)d=am−an=227−π ⇒d=1m−n227−πwhich is a irrational number as π is an irrational number.Similar Questions
The sum of terms of an is The number of term which equals 159, is
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