1.

5×0.0821×423÷342×0.1​

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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