Question

help in this question of AP ●▬▬▬▬๑۩۩๑▬▬▬▬●↫↫↫↫↫ﾟ･:*✿♛​

Answer 1

If common difference will be same, then we can consider the given no. in AP.

So,

So, b /c + b /a - a /b - a / c = ABC + abc - ABC - ABC /ABC = 0

So, b /c + b /a - a /b - a / c = ABC + abc - ABC - ABC /ABC = 0c / a + c /b - b /c - b / a = 0

So, b /c + b /a - a /b - a / c = ABC + abc - ABC - ABC /ABC = 0c / a + c /b - b /c - b / a = 0Hence, it is in AP