Question

If first term of an ap is -7 and common difference is 5 find its 18th term and general term

Answer 1

Answer:

78

Step-by-step explanation:

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Answer 2

here,

• a = -7
• d = 5
• n=18

we know that

an = a+(n-1)d

an= (-7) + (18-1) (5)

an = -7 + 85

an = 78

so, the 18th term of that ap will be 78