Question

find the sum of -43/4+27/12​

Answer 1

Answer:

Clearly, the given sequence is an AP with first term a=2, common difference d=5 and n=10.

Now,

S

10

=

2

10

[2a+(10−1)d]

=5[2×2+9×5]

=245

Step-by-step explanation:

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