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