For AP a is 25 and t20 is 500 . Find CD d
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a = 25 & d=?
t20=a+19d
500=25+19d
19d=475
d=25
CD d=25
Mark me as brainliest if it's help you!!!!!
t20=a+19d
500=25+19d
19d=475
d=25
CD d=25
Mark me as brainliest if it's help you!!!!!
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