expand (2x²+1)² by using identity
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(2x²+1)²
(2x²)²+2×2x²×1+(1)²
4x⁴+4x²+1
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0
Answer:
4x^4+4x^2+1
Step-by-step explanation:
(a+b)^2=a^2+2ab+b^2
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