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  • For the following APs, write the first term and the common difference: (ii) -5, -1, 3, 7, ...

Q : 3    For the following APs, write the first term and the common difference:

            (ii)   \small -5,-1,3,7,...                                                                                                                                            

Answers (1)

best_answer

Given AP series is

\small -5,-1,3,7,...

Now, the first term of this AP series is -5

Therefore,

First term of AP series (a) = -5

Now,

a_1=-5 \ \ and \ \ a_2 = -1

And common difference (d)  = a_2-a_1 = -1-(-5) = 4

Therefore, the first term and the common difference is -5 and  4 respectively 

Posted by

Gautam harsolia

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