Question

FIND THE SUM OF AP 1,4,7,10

Answer 1

$\huge\mathbb\red{ANSWER}$
see in attachment mate.......

Answer 2

Answer:

n =4

a=1

l=10

Sn=n/2(a+l)

4/2(1+10)

2×11

22

Step-by-step explanation:

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