Question

2 Factorize: (a) a2 + 1/a2 +2

Answer 1

Answer:

answer to the question is a2 is equal to plus minus 1

Step-by-step explanation:

after simplifying equation becomes a4 plus 2a square plus 1

Answer 2

Answer:

a^2 + 1/ a^2 + 2 * a * 1/a

= a^2 + 2 * a * 1/a + 1/ a^2

which is in the form of x^2 + (2*x^2*1/x ) + 1/x^2

which is ( x + 1/x) ^2

a^2 + 2 * a * 1/a + 1/ a^2

= (a + 1/a )^2

= ( a + 1/a ) ( a + 1/a )

the formula is ( x+1/x) ^2)

= (x+1/x) (x+1/x)

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