Question

what should be added to the following expression to make perfect squares?
a. a
${a}^{4} + {a}^{2} + 1$
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Answer 1

Answer:

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Answer 2

Answer:

a⁴+a²+x+1

a²(a²+1) +1(x+1)

it can be seen above that to make it a perfect square we need to add a².

if we place a² in place of x , we get

'.' (a²+1)(a²+1)=(a²+1)²

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