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0 votes
4.3k views
in Mathematics by (71.2k points)

(51/2 + 71/8)1024 has number of rational terms = ________

(a) 0 

(b) 129 

(c) 229 

(d) 178

1 Answer

+1 vote
by (76.3k points)
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Best answer

Correct option: (b) 129

Explanation:

∴ r will be multiple of 2 and 8 i.e. multiples of 8 and 0  r ≤ 1024

∴ r has 129 values.

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