please solve this question no . 27
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mahirawal2407paavml:
sry this question is not of my class
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T4=0
a+3d=0
a=-3d
T25=a+24d
=-3d+24d=21d
3*T11=3(a+10d)
=3(-3d+10d)
=3*7d=21d
T25=3*T11
a+3d=0
a=-3d
T25=a+24d
=-3d+24d=21d
3*T11=3(a+10d)
=3(-3d+10d)
=3*7d=21d
T25=3*T11
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