Solve , find the 18th term of the A.P.√2,3√2,5√2,.........
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AP = √2,3√2,5√2,.....
a = √2
d = 3√2- √2 = 5√2- 3√2 = 2√2
d = 2√2
by using formula
an = a+ (n-1)d
a18 =√2 + (18-1)2√2
a18 = √2 + 34√2 = 35√2
a18 = 35√2
NeelamG:
i hope it will help u
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