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meriva
3 years ago
13

Show That

mula1" title=" {a }^{2} + {b}^{2} = 8" alt=" {a }^{2} + {b}^{2} = 8" align="absmiddle" class="latex-formula">
​

Mathematics
1 answer:
Zigmanuir [339]3 years ago
3 0

Answer:

Please see the attached picture for the full solution.

*From the 4th line of the 1st image, you could also expand it using

(a +b)²= a² +2ab +b² and

(a -b)²= a² -2ab +b².

When squaring a fraction, square both the denominator and numerator.

➣(a/b)²= a²/b²

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