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A²+b²+c² = what is the formula?? |
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Answer»
Answer: a² + b² + c² = ( a + b + c )² - 2 ( ab + BC + ca) Step-by-step explanation: Hey there! We KNOW that, ( a + b + c) ² = a² + b² + c² + 2AB+ 2bc + 2ca So, a² + b² + c² = ( a + b + c )² - 2 ( ab + bc + ca) JAI SHREE KRISHNA |
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