Question

Tolong sih di kerjain yg C aja butuh banget soalnya

no copas​

Answer 1

Diketahui :

• b = 15
• U²¹ = 295

Dtanyakan :

• a

Penyelesaian :

Uⁿ = a + (n -1)b

U²¹ = a + (21 - 1)15

295 = a + (20)15

295 = a + 300

295 - 300 = a

-5 = a