plz answer correctly and i will mark as brainlist .....find the sum of n terms of an ap √2,√8,√18,√32........... .....
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Step-by-step explanation:
√2+√8+√18+√32+....n term
=√2+2√2+3√2+4√2.+.....n√2
=√2(1+2+3+4.+...n)
=√2[{n(n+1)}/2]
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