Question

Sum of 24 terms of the series s=3+5+7+9....is

Answer 1

Answer:

624

Step-by-step explanation:

first term =3

common difference = 2

S24=24/2 ( 2×3+24-1×2 )

= 12 ( 6+23×2 )

= 12( 6+46 )

= 12×52 = 624

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