Find the sum.Of firstb22 terme of an ap in which d is 7 22th trm is 49
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Gives that,
a22=l= a +21d = 49
a + 21(7) = 49
a= 49-147
a= -98
Therefore, S22 = n/2 (a + l )
11 (-98 + 49 )
11 (-49) = -539.....
Plz... mark as Brainliest
a22=l= a +21d = 49
a + 21(7) = 49
a= 49-147
a= -98
Therefore, S22 = n/2 (a + l )
11 (-98 + 49 )
11 (-49) = -539.....
Plz... mark as Brainliest
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