Math, asked by tanmayeeld2004, 8 months ago

Find the common difference of the A.P whose third and seventh terms are 13 and 19

Answers

Answered by vishakhaa78

1

Answer:

1.5

Step-by-step explanation:

$\text{[math]}$ Let common difference be D

Given,

A3=13 & A7=19

thus

A+2D=13 & A+6D=19

it can also be written as

A + 2D + 4D = 19

thus

13 + 4D= 19

thus

4D=6

D = 6 ÷ 4

D = 1.5

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