c. Determine the A.P whose third term is 16 and the difference
of.5" from 7" term is 12.
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Hello mate hope it will helps u... ...
a^3 = 16
a + 12d = 16 -----------(1)
a7 - a5 = 12
a + 6d - ( a + 4d ) = 12
2d = 12
d = 6....
Putting the value in eqn 1....
a +2×6 = 16
a + 12 = 16
à = 4......
Hence, the AP form 4, 10, 16, 22, ---------
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