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Cp = rs 2562 sp = 3465 overheads = Rs. 56 |
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Answer» Step-by-step explanation: 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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