Math, asked by babbu6294, 11 months ago

Sum of 3 terms of the sequence 5n2-2n

Answers

Answered by anish2541

0

Step-by-step explanation:

5n + 2 + (-2n)

5n + 2 - 2n

5n - 2n + 2

3n + 2

Answered by banuarun333k

0

Answer:

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Step-by-step explanation:

THE 5n²-2n

SUM OF THREE TERMS = 5n² - 2n

S(3) = 5(3)²-2(3)

= 5 x 9 - 6

= 45 -6

= 39

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