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Find the ratio of HCF to LCM of 5,15,20 |
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Answer» Answer: nth term of an A.P (an) = pn + q To FIND: COMMON Difference (d) an = a + (N – 1)d ⇒ pn + q = a + (n – 1)d [given] ⇒ pn + q – a = (n – 1)d |
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