यदि एक समांतर श्रेढ़ी का nवाँ पद pn + q हो, तो इसका सार्व अंतर ज्ञात कीजिए
If the nth term of an A.P. is pn + q, find its common difference.
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Answer:
nth term of an A.P (an) = pn + q
To find: Common Difference (d)
Proof: We know that,
an = a + (n – 1)d
⇒ pn + q = a + (n – 1)d [given]
⇒ pn + q – a = (n – 1)d
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