Math, asked by qweerty160, 1 month ago

Find sum of 15 terms 14,24,34,44,…

Answers

Answered by komalchahal2808

1

Answer:

1260

Step-by-step explanation:

S15 = n/2 (2a + (n-1)d)

= 15/2 (28 + 14×10)

= 15/2 × 168

= 15×84

=1260

May it will helps you.

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