Question

solve using identity (x/2 +2/x) ^2​

Answer 1

Answer:

Solution

Correct option is B)

(x−2)(x+2)

We can use (x+a)(x+b)=x

2

+(a+b)x+ab identity,

So, a=−2,b=2

= x

2

+(−2+2)x+(−2)(2)

= x

2

+0x−4

= x

2

−4

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