Question

If a sq. +b sq +c sq. =(24 )sq. And a+b+c=26, find ab+bc+ac

Answer 1

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Step-by-step explanation:

ANSWER ::

( a + b + c) ² = a² + b² + c² + 2 ( ab+bc+ac)

26² = 24² + 2 ( ab+bc+ac)

2 ( ab+bc+ac) = 100

( ab+bc+ac) = 50