Question

ples solve the question
and help me

Answer 1

hope its really helpful

Answer 2

${a}^{2} - 2a + 1 = 0 \\ {(a - 1)}^{2} = 0 \\ a - 1 = 0 \\ a = 1 \\ \frac{ {a}^{4} + 1 }{ {a}^{2} } = \frac{1 + 1}{1} \\ = 2$
So answer of this question is 2