Question

if d=5 and 4th term of an AP is 16 then first term Will be? ​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Given:d=5,a4=16,n=4.

To find:a=?

Formula:

$an = a + (n - 1) \times d$

16=a+(4-1)(5)

16=a+(3)(5)

16=a+15

16-15=a

1=a.

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