If a², b², c² Are in A.P. — Find Relation Between a, b, c
Understanding the condition when a² b² c² in arithmetic progression is a common algebra problem in higher-secondary mathematics. Here we derive the required relationship between a, b, and c.

Given
a², b², c² are in A.P. (Arithmetic Progression)
Condition for Terms in A.P.
If three terms are in A.P., then twice the middle term = sum of the first and third terms.
⇒ 2b² = a² + c²
Deriving the Relation
From 2b² = a² + c², rearrange to find the relationship between a, b and c:
a² − 2b² + c² = 0
⇒ (a − b)(a + b) + (c − b)(c + b) = 0
This simplifies to the identity:
(a − b)(a + b) = −(c − b)(c + b)
The main requirement for arithmetic progression of squares is the equality of 2b² with the sum of the squares of the other two terms.
If a², b², c² Are in A.P. — Find Relation Between a, b, c
Keywords
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Tags
arithmetic progression, algebra, sequence and series, Class 11, Class 12, math notes, a² b² c², relation problems, exam question, aklearningnepal, education,If a², b², c² Are in A.P. — Find Relation Between a, b, c
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If a², b², c² Are in A.P. — Find Relation Between a, b, c