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Arithmetic Progressions — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSArithmetic Progressions1 Mark
Question
Write the common difference of an A.P. whose nth term is xn + y.
✓

Answer

We have,
an = xn + y
Putting n =1, we get
a1 = x + y
Putting n = 2, get
a2 = 2x + y
$\therefore$ a2 - a1 = 2x + y - x - y
= x
⇒ a2 - a1 = x
$\therefore$ Common difference = x

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