Question

Write first three terms of the A.P. whose first term is −7 and common difference is 1/2

Answer 1

Step-by-step explanation:

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Answer 2

$First \: Three \: Terms \: are = - 7, \frac{ - 13}{2} , - 6$

Step-by-step explanation:

Given:-

• First Term(A) = -7
• Common Difference (D)= 1/2

To Find:-

• Find first three terms

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==> First Term(A) = -7

==> Common Difference (D)= 1/2

$First \: Term = a = - 7 \\ \\ </p><p>Second \: Term = a + d \\ \\ = = > \: \: \: = - 7 + \frac{1}{2} \\ \\ = = > \: \: \: = \frac{ - 7}{1} + \frac{1}{2} \\ \\ = = > \: \: \: = \frac{ - 7 \times 2 + 1}{2} \\ \\ = = > \: \: \: = \frac{ - 14 + 1}{2} \\ \\ = = > \frac{ - 13}{2} \\ \\ </p><p>Third Term = a + 2d \\ \\ = = > \: \: \: = - 7 + 2 \times \frac{1}{2} \\ \\ = = > \: \: \: = - 7 + \frac{2}{2} \\ \\ = = > \: \: \: = - 7 + 1 = - 6$

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