Question

if first term of an a.p is 1/2 and common difference is -2 find first 4 terms of arthematic progression

Answer 1

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$\frac{1}{2} , \frac{ - 3}{2} , \frac{ - 7}{2} , \frac{ - 11}{2}$

Step-by-step explanation:

Kindly refer to the Attachment

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Answer 2

Step-by-step explanation:

For an A.P. ,

a1 = 1/2 , d= -2

Now, the first four terms are

a2 =a1 + d = 1/2 + (-2) = -3/2

a3 = a2 + d = -3/2 + (-2) = -7/2

a4 = a3 + d = -7/2 +(-2) = -11/2

a5 = a4 + d = -11/2 +(-2) = -15/2

Hope it helps you.

Thank you.