Question

Find the 12th term of an AP of the form 7, 12, 17, 22

Answer 1

Answer:

27

Step-by-step explanation:

The rule will be

Ni=(i-1)*5+2

• i=1 → N=(1–1)*5+2=0*5+2=0+2=2
• i=2 → N=(2–1)*5+2=1*5+2=5+2=7
• i=3 → N=(3–1)*5+2=2*5+2=10+2=12
• i=4 → N=(4–1)*5+2=3*5+2=15+2=17
• i=5 → N=(5–1)*5+2=4*5+2=20+2=22
• i=6 → N=(6–1)*5+2=5*5+2=25+2=27

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