find the 25th term and sum of 20th term ofA.P 12,16,20,24..........
plzz solve this wuestion step by step fast i will mark you as brainlist
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I called and the answer was "wrong number "
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come online in whatsapp
I called you and u said that it is a wrong number.
ur a fake master
Answered by
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an=a+(n-1)d
a=12
d=4
a25=12+(25-1)4
a20 = 24 + 76
a20 = 100
Sn = n(2a + (n-1)d)/2
S20 = 20/2(2(12) + (25-1)4)
S25=10*(24+96)
S25=10*120
A25 = 1200
a=12
d=4
a25=12+(25-1)4
a20 = 24 + 76
a20 = 100
Sn = n(2a + (n-1)d)/2
S20 = 20/2(2(12) + (25-1)4)
S25=10*(24+96)
S25=10*120
A25 = 1200
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at least tell me if you qont, no problem and good ninght
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