If the sum of first pers of an AP is 2p+3p^2what is its common difference
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HERe is UR Answer...
Given,
Sum Sp=2p^2+3p
let the sum of first term
S1=2*1^2 + 3*1= 2+3 = 5= a1 or a
Therefore,
a=5
S2= 2*2^2 + 3*2 = 8+6= 14
NOw,
CommOn DifferenCe,
S2- S1=14-5= 9
a2-a1= 9-5= 4
Common difference will be 4
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