Question

find the 21 term of an ap whose first two terms are -3 and 4​

Answer 1

Answer:

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Answer 2

Answer:

1st term = (-3)

2nd term = 4

d= 4- (-3) = 4+3 =7

therefore, 21st term = a + ( 21-1)d

(-3) + 20× 7

= -3 + 140 = 137

Step-by-step explanation:

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