Question

Find the 15th term of the sequence √2,√8,√18,√32....

Answer 1

T1=√2=√2*1=√2
T2=√8=√2*2*2=2√2
T3=√18=√2*3*3=3√2
T4=√32=√2*2*2*2*2=2*2√2=4√2.
....etc
T15=15√2
..This method is called -Inspection method
.


hope it will help you
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