Question

The first four terms of an AP, whose first term is –2 and the common difference is –2, are *

Answer 1

Step-by-step explanation:

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Answer 2

Given :

• First term (a) = -2

• Common Difference (d) = -2

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To Find :

• Four terms of AP

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Solution :

⇒a = -2

____________

⇒a2 = a + d

⇒a2 = -2 - 2

⇒a2 = -4

____________

⇒a3 = a + 2d

⇒a3 = -2 + 2(-2)

⇒a3 = -2 - 4

⇒a3 = -6

____________

⇒a4 = a + 3d

⇒a4 = -2 + 3(-2)

⇒a4 = -2 -6

⇒a4 = -8

So, AP is -2,-4,-6,-8,..........