The value of the following algebraic expression is (a - b)(a + b) + (b - c)(b + c) + (c - a)(c + a)
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Answer:
the answer is 0
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0
Step-by-step explanation:
= (a - b)(a + b) + (b - c)(b + c) + (c - a)(c + a)
by applying (x - y)(x + y) = x^2 - y^2
= a^2 - b^2 + b^2 - c^2 + c^2 - a^2
= 0
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