Question

how to solve this ?
no unnecesary answers please​

Answer 1

Answer:

Step-by-step explanation:FIRSTY WE WILL ARRANGE THE TERMS AND FIND THE VALUE OF a

a²-4a+1=0

THEN FIND THE VALUE IF A AND PUT IT IN THE EQUATION

PLS MARK IT AS BRAINLIEST

Answer 2

Step-by-step explanation:

Divide the whole equation by a...

$(a {}^{2} + 1 - 4a) \div a = 0 \div a$

$a + (1 \div a) - 4 = 0$

$a + (1 \div a) = 4$

${a}^{2} + (1 \div {a}^{2} ) =( a + 1 \div a) {}^{2} - 2$

$= {4}^{2} - 2$

$= 16 - 2$

$= 14$