Question

Let a, b, c be real numbers. such that
a-7b+8c=4 and 8a+4b-c=7 then the value of a²+b²
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Answer 1

Answer:

Let a, b, c be real numbers. such that

a-7b+8c=4 and 8a+4b-c=7 then the value of a²+b²