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Sequences and Series — Maths STD 11 Science — Question

CBSE BoardEnglish MediumSTD 11 ScienceMathsSequences and Series1 Mark
Question
State whether statement are True or False.
Two sequences cannot be in both A.P. and G.P. together.
✓

Answer

True.Solution:
Let us consider G.P, a, ar and $ar^2$
If it is in A.P then $\text{ar}-\text{a}\neq\text{ar}^2-\text{ar}$
Hence, the given statement is True.

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