1.

The sequence….., 10 terms are in AP, then the sum of these terms is ______​

Answer»

Answer:

It is an ap like :√2,2√2,3√2................. having COMMON difference is √2 with FIRST term √2.

Step-by-step explanation:

Sn= n/2[2a+ (n-1)d]

= 10/2[ 2×√2+9×√2]

= 5[11√2]

=55√2



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