find square root of a^4-b^4-2
Answers
Answered by
0
Answer:
It is a^2-b^2-2
Step-by-step explanation:
Answered by
0
Answer:
Square root is a²+b²
Step-by-step explanation:
a⁴+b⁴-2
When a and b are reciprocals ab=1
(a²+b²)²=a⁴+b⁴-2(a²)(b²)
(a²+b²)²=a⁴+b⁴-2(1)²
(a²+b²)²=a⁴+b⁴-2
a⁴+b⁴-2=(a²+b²)²
Applying square root on both sides
√a⁴+b⁴-2=√(a²+b²)²
√a⁴+b⁴-2=a²+b²
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