The 20th term and 30th term of an AP are 201 and 301 what is c.d
Answers
Answered by
1
Answer:
c.d is 10
Step-by-step explanation:
hope it helps ....
Answered by
3
Answer:
10
Step-by-step explanation:t20 = 201
so, a+19d = 201 (1)
t30= 301
so, a + 29d = 301(2)
On solving (1) and(2),
you get cd = 10
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