Question

all formula for AP
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Answer 1

Answer:

an=a+(n-1)d

sn=n/2(2a+(n-1)d

sn=n/2(a+l)

MARK IT AS BRAINLIEST HOPE IT HELPS

Answer 2

bhai AP ke summery main ja

Mera ko answer dena ka man nahi kar Rha but

# Common difference = Second term - first term

# nth term = a + ( n - 1 )d

# Sum of nth term = n/2 ( 2a + (n-1)d

or

Sum of nth term = n/2 ( a + l )