Question

If a, b, c are in AP then *
(a) b = a + c
(b) 2b = a + c
(c) b² = a + c
(d) 2b² = a + c




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Answer 1

ANSWER: (b) 2b = a + c

Step-by-step explanation:

Given, a, b, c are in AP

⇒ b – a = c – b

⇒ b + b = a + c

⇒ 2b = a + c